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Finding the Fourth Proportional to 804,374.80, 1,205,525.40 and 488,496.40

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Solution

The fourth proportional to 804,374.80, 1,205,525.40 and 488,496.40 is: 732,114.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,374.80 : 1,205,525.40 = 488,496.40 : x
  2. Step 2: Convert to fraction form
    804,374.80/1,205,525.40 = 488,496.40/x
  3. Step 3: Cross multiply
    804,374.80x = 1,205,525.40 × 488,496.40
  4. Step 4: Simplify right side
    804,374.80x = 588,894,818,008.56
  5. Step 5: Solve for x
    x = 588,894,818,008.56/804,374.80
  6. Step 6: Final answer
    x = 732,114.95

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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.