Home / 916,253.39-1,264,386.84-508,350.89

Finding the Fourth Proportional to 916,253.39, 1,264,386.84 and 508,350.89

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Solution

The fourth proportional to 916,253.39, 1,264,386.84 and 508,350.89 is: 701,500.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,253.39 : 1,264,386.84 = 508,350.89 : x
  2. Step 2: Convert to fraction form
    916,253.39/1,264,386.84 = 508,350.89/x
  3. Step 3: Cross multiply
    916,253.39x = 1,264,386.84 × 508,350.89
  4. Step 4: Simplify right side
    916,253.39x = 642,752,175,418.29
  5. Step 5: Solve for x
    x = 642,752,175,418.29/916,253.39
  6. Step 6: Final answer
    x = 701,500.46

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.