Home / 708,192.60-1,062,893.70-287,770.20

Finding the Fourth Proportional to 708,192.60, 1,062,893.70 and 287,770.20

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Solution

The fourth proportional to 708,192.60, 1,062,893.70 and 287,770.20 is: 431,901.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,192.60 : 1,062,893.70 = 287,770.20 : x
  2. Step 2: Convert to fraction form
    708,192.60/1,062,893.70 = 287,770.20/x
  3. Step 3: Cross multiply
    708,192.60x = 1,062,893.70 × 287,770.20
  4. Step 4: Simplify right side
    708,192.60x = 305,869,132,627.74
  5. Step 5: Solve for x
    x = 305,869,132,627.74/708,192.60
  6. Step 6: Final answer
    x = 431,901.06

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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.