Home / 906,285.60-1,359,428.40-607,687.20

Finding the Fourth Proportional to 906,285.60, 1,359,428.40 and 607,687.20

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Solution

The fourth proportional to 906,285.60, 1,359,428.40 and 607,687.20 is: 911,530.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    906,285.60 : 1,359,428.40 = 607,687.20 : x
  2. Step 2: Convert to fraction form
    906,285.60/1,359,428.40 = 607,687.20/x
  3. Step 3: Cross multiply
    906,285.60x = 1,359,428.40 × 607,687.20
  4. Step 4: Simplify right side
    906,285.60x = 826,107,237,996.48
  5. Step 5: Solve for x
    x = 826,107,237,996.48/906,285.60
  6. Step 6: Final answer
    x = 911,530.80

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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.