Home / 815,269.95-1,125,162.46-466,442.77

Finding the Fourth Proportional to 815,269.95, 1,125,162.46 and 466,442.77

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Solution

The fourth proportional to 815,269.95, 1,125,162.46 and 466,442.77 is: 643,742.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    815,269.95 : 1,125,162.46 = 466,442.77 : x
  2. Step 2: Convert to fraction form
    815,269.95/1,125,162.46 = 466,442.77/x
  3. Step 3: Cross multiply
    815,269.95x = 1,125,162.46 × 466,442.77
  4. Step 4: Simplify right side
    815,269.95x = 524,823,894,422.24
  5. Step 5: Solve for x
    x = 524,823,894,422.24/815,269.95
  6. Step 6: Final answer
    x = 643,742.47

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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.