Home / 708,175.20-1,059,670.80-521,551.20

Finding the Fourth Proportional to 708,175.20, 1,059,670.80 and 521,551.20

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Solution

The fourth proportional to 708,175.20, 1,059,670.80 and 521,551.20 is: 780,417.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,175.20 : 1,059,670.80 = 521,551.20 : x
  2. Step 2: Convert to fraction form
    708,175.20/1,059,670.80 = 521,551.20/x
  3. Step 3: Cross multiply
    708,175.20x = 1,059,670.80 × 521,551.20
  4. Step 4: Simplify right side
    708,175.20x = 552,672,577,344.96
  5. Step 5: Solve for x
    x = 552,672,577,344.96/708,175.20
  6. Step 6: Final answer
    x = 780,417.86

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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.