Home / 915,610.90-1,373,588.52-368,545.12

Finding the Fourth Proportional to 915,610.90, 1,373,588.52 and 368,545.12

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Solution

The fourth proportional to 915,610.90, 1,373,588.52 and 368,545.12 is: 552,886.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    915,610.90 : 1,373,588.52 = 368,545.12 : x
  2. Step 2: Convert to fraction form
    915,610.90/1,373,588.52 = 368,545.12/x
  3. Step 3: Cross multiply
    915,610.90x = 1,373,588.52 × 368,545.12
  4. Step 4: Simplify right side
    915,610.90x = 506,229,345,934.02
  5. Step 5: Solve for x
    x = 506,229,345,934.02/915,610.90
  6. Step 6: Final answer
    x = 552,886.98

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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.