Home / 754,860.64-1,042,173.12-519,520

Finding the Fourth Proportional to 754,860.64, 1,042,173.12 and 519,520

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Solution

The fourth proportional to 754,860.64, 1,042,173.12 and 519,520 is: 717,257.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,860.64 : 1,042,173.12 = 519,520 : x
  2. Step 2: Convert to fraction form
    754,860.64/1,042,173.12 = 519,520/x
  3. Step 3: Cross multiply
    754,860.64x = 1,042,173.12 × 519,520
  4. Step 4: Simplify right side
    754,860.64x = 541,429,779,302.40
  5. Step 5: Solve for x
    x = 541,429,779,302.40/754,860.64
  6. Step 6: Final answer
    x = 717,257.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.