Home / 916,025.20-1,264,135.06-508,113.78

Finding the Fourth Proportional to 916,025.20, 1,264,135.06 and 508,113.78

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Solution

The fourth proportional to 916,025.20, 1,264,135.06 and 508,113.78 is: 701,208.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,025.20 : 1,264,135.06 = 508,113.78 : x
  2. Step 2: Convert to fraction form
    916,025.20/1,264,135.06 = 508,113.78/x
  3. Step 3: Cross multiply
    916,025.20x = 1,264,135.06 × 508,113.78
  4. Step 4: Simplify right side
    916,025.20x = 642,324,443,767.13
  5. Step 5: Solve for x
    x = 642,324,443,767.13/916,025.20
  6. Step 6: Final answer
    x = 701,208.27

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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.