Home / 724,423.30-999,808.11-434,046.33

Finding the Fourth Proportional to 724,423.30, 999,808.11 and 434,046.33

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Solution

The fourth proportional to 724,423.30, 999,808.11 and 434,046.33 is: 599,046.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,423.30 : 999,808.11 = 434,046.33 : x
  2. Step 2: Convert to fraction form
    724,423.30/999,808.11 = 434,046.33/x
  3. Step 3: Cross multiply
    724,423.30x = 999,808.11 × 434,046.33
  4. Step 4: Simplify right side
    724,423.30x = 433,963,040,849.74
  5. Step 5: Solve for x
    x = 433,963,040,849.74/724,423.30
  6. Step 6: Final answer
    x = 599,046.22

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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.