Home / 724,661.38-1,000,013.49-402,363.19

Finding the Fourth Proportional to 724,661.38, 1,000,013.49 and 402,363.19

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Solution

The fourth proportional to 724,661.38, 1,000,013.49 and 402,363.19 is: 555,250.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,661.38 : 1,000,013.49 = 402,363.19 : x
  2. Step 2: Convert to fraction form
    724,661.38/1,000,013.49 = 402,363.19/x
  3. Step 3: Cross multiply
    724,661.38x = 1,000,013.49 × 402,363.19
  4. Step 4: Simplify right side
    724,661.38x = 402,368,617,879.43
  5. Step 5: Solve for x
    x = 402,368,617,879.43/724,661.38
  6. Step 6: Final answer
    x = 555,250.53

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Double scale
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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.