Home / 853,045.90-1,280,553.02-433,207.52

Finding the Fourth Proportional to 853,045.90, 1,280,553.02 and 433,207.52

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Solution

The fourth proportional to 853,045.90, 1,280,553.02 and 433,207.52 is: 650,311.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    853,045.90 : 1,280,553.02 = 433,207.52 : x
  2. Step 2: Convert to fraction form
    853,045.90/1,280,553.02 = 433,207.52/x
  3. Step 3: Cross multiply
    853,045.90x = 1,280,553.02 × 433,207.52
  4. Step 4: Simplify right side
    853,045.90x = 554,745,198,022.71
  5. Step 5: Solve for x
    x = 554,745,198,022.71/853,045.90
  6. Step 6: Final answer
    x = 650,311.08

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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.