Home / 742,565.88-1,113,670.41-342,822.60

Finding the Fourth Proportional to 742,565.88, 1,113,670.41 and 342,822.60

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Solution

The fourth proportional to 742,565.88, 1,113,670.41 and 342,822.60 is: 514,151.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,565.88 : 1,113,670.41 = 342,822.60 : x
  2. Step 2: Convert to fraction form
    742,565.88/1,113,670.41 = 342,822.60/x
  3. Step 3: Cross multiply
    742,565.88x = 1,113,670.41 × 342,822.60
  4. Step 4: Simplify right side
    742,565.88x = 381,791,385,499.27
  5. Step 5: Solve for x
    x = 381,791,385,499.27/742,565.88
  6. Step 6: Final answer
    x = 514,151.53

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.