Home / 742,219.61-1,023,631.30-516,404.57

Finding the Fourth Proportional to 742,219.61, 1,023,631.30 and 516,404.57

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Solution

The fourth proportional to 742,219.61, 1,023,631.30 and 516,404.57 is: 712,198.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,219.61 : 1,023,631.30 = 516,404.57 : x
  2. Step 2: Convert to fraction form
    742,219.61/1,023,631.30 = 516,404.57/x
  3. Step 3: Cross multiply
    742,219.61x = 1,023,631.30 × 516,404.57
  4. Step 4: Simplify right side
    742,219.61x = 528,607,881,315.04
  5. Step 5: Solve for x
    x = 528,607,881,315.04/742,219.61
  6. Step 6: Final answer
    x = 712,198.75

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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.