Home / 708,657.56-1,062,635.88-309,125.60

Finding the Fourth Proportional to 708,657.56, 1,062,635.88 and 309,125.60

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Solution

The fourth proportional to 708,657.56, 1,062,635.88 and 309,125.60 is: 463,535.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,657.56 : 1,062,635.88 = 309,125.60 : x
  2. Step 2: Convert to fraction form
    708,657.56/1,062,635.88 = 309,125.60/x
  3. Step 3: Cross multiply
    708,657.56x = 1,062,635.88 × 309,125.60
  4. Step 4: Simplify right side
    708,657.56x = 328,487,953,986.53
  5. Step 5: Solve for x
    x = 328,487,953,986.53/708,657.56
  6. Step 6: Final answer
    x = 463,535.52

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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.