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Finding the Fourth Proportional to 584,960.40, 878,096.70 and 452,428.20

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Solution

The fourth proportional to 584,960.40, 878,096.70 and 452,428.20 is: 679,149.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    584,960.40 : 878,096.70 = 452,428.20 : x
  2. Step 2: Convert to fraction form
    584,960.40/878,096.70 = 452,428.20/x
  3. Step 3: Cross multiply
    584,960.40x = 878,096.70 × 452,428.20
  4. Step 4: Simplify right side
    584,960.40x = 397,275,709,406.94
  5. Step 5: Solve for x
    x = 397,275,709,406.94/584,960.40
  6. Step 6: Final answer
    x = 679,149.75

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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.