Home / 434,864.28-599,557.12-281,631.72

Finding the Fourth Proportional to 434,864.28, 599,557.12 and 281,631.72

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Solution

The fourth proportional to 434,864.28, 599,557.12 and 281,631.72 is: 388,291.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,864.28 : 599,557.12 = 281,631.72 : x
  2. Step 2: Convert to fraction form
    434,864.28/599,557.12 = 281,631.72/x
  3. Step 3: Cross multiply
    434,864.28x = 599,557.12 × 281,631.72
  4. Step 4: Simplify right side
    434,864.28x = 168,854,302,943.85
  5. Step 5: Solve for x
    x = 168,854,302,943.85/434,864.28
  6. Step 6: Final answer
    x = 388,291.96

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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.