Home / 724,585.68-1,086,877.80-475,209.36

Finding the Fourth Proportional to 724,585.68, 1,086,877.80 and 475,209.36

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Solution

The fourth proportional to 724,585.68, 1,086,877.80 and 475,209.36 is: 712,813.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,585.68 : 1,086,877.80 = 475,209.36 : x
  2. Step 2: Convert to fraction form
    724,585.68/1,086,877.80 = 475,209.36/x
  3. Step 3: Cross multiply
    724,585.68x = 1,086,877.80 × 475,209.36
  4. Step 4: Simplify right side
    724,585.68x = 516,494,503,736.21
  5. Step 5: Solve for x
    x = 516,494,503,736.21/724,585.68
  6. Step 6: Final answer
    x = 712,813.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.