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Finding the Fourth Proportional to 425,513.70, 637,614.45 and 369,089.10

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Solution

The fourth proportional to 425,513.70, 637,614.45 and 369,089.10 is: 553,064.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,513.70 : 637,614.45 = 369,089.10 : x
  2. Step 2: Convert to fraction form
    425,513.70/637,614.45 = 369,089.10/x
  3. Step 3: Cross multiply
    425,513.70x = 637,614.45 × 369,089.10
  4. Step 4: Simplify right side
    425,513.70x = 235,336,543,497.50
  5. Step 5: Solve for x
    x = 235,336,543,497.50/425,513.70
  6. Step 6: Final answer
    x = 553,064.55

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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.