Home / 815,545.06-1,125,420.83-452,992.01

Finding the Fourth Proportional to 815,545.06, 1,125,420.83 and 452,992.01

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Solution

The fourth proportional to 815,545.06, 1,125,420.83 and 452,992.01 is: 625,111.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    815,545.06 : 1,125,420.83 = 452,992.01 : x
  2. Step 2: Convert to fraction form
    815,545.06/1,125,420.83 = 452,992.01/x
  3. Step 3: Cross multiply
    815,545.06x = 1,125,420.83 × 452,992.01
  4. Step 4: Simplify right side
    815,545.06x = 509,806,646,562.80
  5. Step 5: Solve for x
    x = 509,806,646,562.80/815,545.06
  6. Step 6: Final answer
    x = 625,111.56

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1.5x scale

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.