Home / 975,435.28-1,346,152.98-545,689.78

Finding the Fourth Proportional to 975,435.28, 1,346,152.98 and 545,689.78

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Solution

The fourth proportional to 975,435.28, 1,346,152.98 and 545,689.78 is: 753,081.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    975,435.28 : 1,346,152.98 = 545,689.78 : x
  2. Step 2: Convert to fraction form
    975,435.28/1,346,152.98 = 545,689.78/x
  3. Step 3: Cross multiply
    975,435.28x = 1,346,152.98 × 545,689.78
  4. Step 4: Simplify right side
    975,435.28x = 734,581,923,502.54
  5. Step 5: Solve for x
    x = 734,581,923,502.54/975,435.28
  6. Step 6: Final answer
    x = 753,081.15

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.