Home / 842,030.16-1,162,002.72-479,454.18

Finding the Fourth Proportional to 842,030.16, 1,162,002.72 and 479,454.18

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Solution

The fourth proportional to 842,030.16, 1,162,002.72 and 479,454.18 is: 661,647.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    842,030.16 : 1,162,002.72 = 479,454.18 : x
  2. Step 2: Convert to fraction form
    842,030.16/1,162,002.72 = 479,454.18/x
  3. Step 3: Cross multiply
    842,030.16x = 1,162,002.72 × 479,454.18
  4. Step 4: Simplify right side
    842,030.16x = 557,127,061,275.37
  5. Step 5: Solve for x
    x = 557,127,061,275.37/842,030.16
  6. Step 6: Final answer
    x = 661,647.39

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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.