Home / 916,018.13-1,264,125.29-508,106.69

Finding the Fourth Proportional to 916,018.13, 1,264,125.29 and 508,106.69

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Solution

The fourth proportional to 916,018.13, 1,264,125.29 and 508,106.69 is: 701,198.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,018.13 : 1,264,125.29 = 508,106.69 : x
  2. Step 2: Convert to fraction form
    916,018.13/1,264,125.29 = 508,106.69/x
  3. Step 3: Cross multiply
    916,018.13x = 1,264,125.29 × 508,106.69
  4. Step 4: Simplify right side
    916,018.13x = 642,310,512,726.50
  5. Step 5: Solve for x
    x = 642,310,512,726.50/916,018.13
  6. Step 6: Final answer
    x = 701,198.47

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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.