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Finding the Fourth Proportional to 637,825.80, 958,812.30 and 452,123.40

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Solution

The fourth proportional to 637,825.80, 958,812.30 and 452,123.40 is: 679,654.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,825.80 : 958,812.30 = 452,123.40 : x
  2. Step 2: Convert to fraction form
    637,825.80/958,812.30 = 452,123.40/x
  3. Step 3: Cross multiply
    637,825.80x = 958,812.30 × 452,123.40
  4. Step 4: Simplify right side
    637,825.80x = 433,501,477,037.82
  5. Step 5: Solve for x
    x = 433,501,477,037.82/637,825.80
  6. Step 6: Final answer
    x = 679,654.97

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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.