Home / 934,136.88-1,288,871.52-571,428.24

Finding the Fourth Proportional to 934,136.88, 1,288,871.52 and 571,428.24

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Solution

The fourth proportional to 934,136.88, 1,288,871.52 and 571,428.24 is: 788,425.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    934,136.88 : 1,288,871.52 = 571,428.24 : x
  2. Step 2: Convert to fraction form
    934,136.88/1,288,871.52 = 571,428.24/x
  3. Step 3: Cross multiply
    934,136.88x = 1,288,871.52 × 571,428.24
  4. Step 4: Simplify right side
    934,136.88x = 736,497,584,259.73
  5. Step 5: Solve for x
    x = 736,497,584,259.73/934,136.88
  6. Step 6: Final answer
    x = 788,425.77

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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.