Home / 782,985.39-1,173,282.51-558,817.89

Finding the Fourth Proportional to 782,985.39, 1,173,282.51 and 558,817.89

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Solution

The fourth proportional to 782,985.39, 1,173,282.51 and 558,817.89 is: 837,373.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,985.39 : 1,173,282.51 = 558,817.89 : x
  2. Step 2: Convert to fraction form
    782,985.39/1,173,282.51 = 558,817.89/x
  3. Step 3: Cross multiply
    782,985.39x = 1,173,282.51 × 558,817.89
  4. Step 4: Simplify right side
    782,985.39x = 655,651,256,612.10
  5. Step 5: Solve for x
    x = 655,651,256,612.10/782,985.39
  6. Step 6: Final answer
    x = 837,373.55

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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.