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Finding the Fourth Proportional to 652,289.92, 900,169.68 and 380,350.24

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Solution

The fourth proportional to 652,289.92, 900,169.68 and 380,350.24 is: 524,888.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,289.92 : 900,169.68 = 380,350.24 : x
  2. Step 2: Convert to fraction form
    652,289.92/900,169.68 = 380,350.24/x
  3. Step 3: Cross multiply
    652,289.92x = 900,169.68 × 380,350.24
  4. Step 4: Simplify right side
    652,289.92x = 342,379,753,828.72
  5. Step 5: Solve for x
    x = 342,379,753,828.72/652,289.92
  6. Step 6: Final answer
    x = 524,888.92

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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.