Home / 972,305.28-1,341,781.38-536,722.74

Finding the Fourth Proportional to 972,305.28, 1,341,781.38 and 536,722.74

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Solution

The fourth proportional to 972,305.28, 1,341,781.38 and 536,722.74 is: 740,677.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    972,305.28 : 1,341,781.38 = 536,722.74 : x
  2. Step 2: Convert to fraction form
    972,305.28/1,341,781.38 = 536,722.74/x
  3. Step 3: Cross multiply
    972,305.28x = 1,341,781.38 × 536,722.74
  4. Step 4: Simplify right side
    972,305.28x = 720,164,578,754.58
  5. Step 5: Solve for x
    x = 720,164,578,754.58/972,305.28
  6. Step 6: Final answer
    x = 740,677.43

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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.