Home / 783,013.80-1,172,187.90-467,308.20

Finding the Fourth Proportional to 783,013.80, 1,172,187.90 and 467,308.20

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Solution

The fourth proportional to 783,013.80, 1,172,187.90 and 467,308.20 is: 699,570.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,013.80 : 1,172,187.90 = 467,308.20 : x
  2. Step 2: Convert to fraction form
    783,013.80/1,172,187.90 = 467,308.20/x
  3. Step 3: Cross multiply
    783,013.80x = 1,172,187.90 × 467,308.20
  4. Step 4: Simplify right side
    783,013.80x = 547,773,017,610.78
  5. Step 5: Solve for x
    x = 547,773,017,610.78/783,013.80
  6. Step 6: Final answer
    x = 699,570.07

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1.5x scale

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.