Home / 915,996.20-1,264,095.01-508,084.75

Finding the Fourth Proportional to 915,996.20, 1,264,095.01 and 508,084.75

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Solution

The fourth proportional to 915,996.20, 1,264,095.01 and 508,084.75 is: 701,168.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    915,996.20 : 1,264,095.01 = 508,084.75 : x
  2. Step 2: Convert to fraction form
    915,996.20/1,264,095.01 = 508,084.75/x
  3. Step 3: Cross multiply
    915,996.20x = 1,264,095.01 × 508,084.75
  4. Step 4: Simplify right side
    915,996.20x = 642,267,399,347.32
  5. Step 5: Solve for x
    x = 642,267,399,347.32/915,996.20
  6. Step 6: Final answer
    x = 701,168.20

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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.