Home / 916,591.20-1,264,909.50-508,719.33

Finding the Fourth Proportional to 916,591.20, 1,264,909.50 and 508,719.33

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Solution

The fourth proportional to 916,591.20, 1,264,909.50 and 508,719.33 is: 702,040.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,591.20 : 1,264,909.50 = 508,719.33 : x
  2. Step 2: Convert to fraction form
    916,591.20/1,264,909.50 = 508,719.33/x
  3. Step 3: Cross multiply
    916,591.20x = 1,264,909.50 × 508,719.33
  4. Step 4: Simplify right side
    916,591.20x = 643,483,913,350.64
  5. Step 5: Solve for x
    x = 643,483,913,350.64/916,591.20
  6. Step 6: Final answer
    x = 702,040.25

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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.