Home / 842,572.76-1,162,466.52-479,740.01

Finding the Fourth Proportional to 842,572.76, 1,162,466.52 and 479,740.01

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Solution

The fourth proportional to 842,572.76, 1,162,466.52 and 479,740.01 is: 661,879.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    842,572.76 : 1,162,466.52 = 479,740.01 : x
  2. Step 2: Convert to fraction form
    842,572.76/1,162,466.52 = 479,740.01/x
  3. Step 3: Cross multiply
    842,572.76x = 1,162,466.52 × 479,740.01
  4. Step 4: Simplify right side
    842,572.76x = 557,681,699,929.47
  5. Step 5: Solve for x
    x = 557,681,699,929.47/842,572.76
  6. Step 6: Final answer
    x = 661,879.57

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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.