Home / 724,804.74-1,000,244.09-402,545.03

Finding the Fourth Proportional to 724,804.74, 1,000,244.09 and 402,545.03

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Solution

The fourth proportional to 724,804.74, 1,000,244.09 and 402,545.03 is: 555,519.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,804.74 : 1,000,244.09 = 402,545.03 : x
  2. Step 2: Convert to fraction form
    724,804.74/1,000,244.09 = 402,545.03/x
  3. Step 3: Cross multiply
    724,804.74x = 1,000,244.09 × 402,545.03
  4. Step 4: Simplify right side
    724,804.74x = 402,643,283,221.52
  5. Step 5: Solve for x
    x = 402,643,283,221.52/724,804.74
  6. Step 6: Final answer
    x = 555,519.66

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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.