Home / 742,575.60-1,113,685.02-342,832.50

Finding the Fourth Proportional to 742,575.60, 1,113,685.02 and 342,832.50

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Solution

The fourth proportional to 742,575.60, 1,113,685.02 and 342,832.50 is: 514,166.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,575.60 : 1,113,685.02 = 342,832.50 : x
  2. Step 2: Convert to fraction form
    742,575.60/1,113,685.02 = 342,832.50/x
  3. Step 3: Cross multiply
    742,575.60x = 1,113,685.02 × 342,832.50
  4. Step 4: Simplify right side
    742,575.60x = 381,807,419,619.15
  5. Step 5: Solve for x
    x = 381,807,419,619.15/742,575.60
  6. Step 6: Final answer
    x = 514,166.40

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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.