Home / 916,179.35-1,264,335.13-508,307.94

Finding the Fourth Proportional to 916,179.35, 1,264,335.13 and 508,307.94

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Solution

The fourth proportional to 916,179.35, 1,264,335.13 and 508,307.94 is: 701,469.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,179.35 : 1,264,335.13 = 508,307.94 : x
  2. Step 2: Convert to fraction form
    916,179.35/1,264,335.13 = 508,307.94/x
  3. Step 3: Cross multiply
    916,179.35x = 1,264,335.13 × 508,307.94
  4. Step 4: Simplify right side
    916,179.35x = 642,671,576,536.72
  5. Step 5: Solve for x
    x = 642,671,576,536.72/916,179.35
  6. Step 6: Final answer
    x = 701,469.18

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Double scale
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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.