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Finding the Fourth Proportional to 659,252.40, 986,254.20 and 571,480.80

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Solution

The fourth proportional to 659,252.40, 986,254.20 and 571,480.80 is: 854,946.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,252.40 : 986,254.20 = 571,480.80 : x
  2. Step 2: Convert to fraction form
    659,252.40/986,254.20 = 571,480.80/x
  3. Step 3: Cross multiply
    659,252.40x = 986,254.20 × 571,480.80
  4. Step 4: Simplify right side
    659,252.40x = 563,625,339,219.36
  5. Step 5: Solve for x
    x = 563,625,339,219.36/659,252.40
  6. Step 6: Final answer
    x = 854,946.21

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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.