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Finding the Fourth Proportional to 437,005.80, 655,508.70 and 304,295.40

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Solution

The fourth proportional to 437,005.80, 655,508.70 and 304,295.40 is: 456,443.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,005.80 : 655,508.70 = 304,295.40 : x
  2. Step 2: Convert to fraction form
    437,005.80/655,508.70 = 304,295.40/x
  3. Step 3: Cross multiply
    437,005.80x = 655,508.70 × 304,295.40
  4. Step 4: Simplify right side
    437,005.80x = 199,468,282,069.98
  5. Step 5: Solve for x
    x = 199,468,282,069.98/437,005.80
  6. Step 6: Final answer
    x = 456,443.10

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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.