Home / 437,555.80-656,285.10-358,532.20

Finding the Fourth Proportional to 437,555.80, 656,285.10 and 358,532.20

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Solution

The fourth proportional to 437,555.80, 656,285.10 and 358,532.20 is: 537,758.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,555.80 : 656,285.10 = 358,532.20 : x
  2. Step 2: Convert to fraction form
    437,555.80/656,285.10 = 358,532.20/x
  3. Step 3: Cross multiply
    437,555.80x = 656,285.10 × 358,532.20
  4. Step 4: Simplify right side
    437,555.80x = 235,299,340,730.22
  5. Step 5: Solve for x
    x = 235,299,340,730.22/437,555.80
  6. Step 6: Final answer
    x = 537,758.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.