Home / 915,930.24-1,264,610.52-572,290.44

Finding the Fourth Proportional to 915,930.24, 1,264,610.52 and 572,290.44

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Solution

The fourth proportional to 915,930.24, 1,264,610.52 and 572,290.44 is: 790,152.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    915,930.24 : 1,264,610.52 = 572,290.44 : x
  2. Step 2: Convert to fraction form
    915,930.24/1,264,610.52 = 572,290.44/x
  3. Step 3: Cross multiply
    915,930.24x = 1,264,610.52 × 572,290.44
  4. Step 4: Simplify right side
    915,930.24x = 723,724,510,919.43
  5. Step 5: Solve for x
    x = 723,724,510,919.43/915,930.24
  6. Step 6: Final answer
    x = 790,152.44

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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.