Home / 742,117.10-1,113,110.85-243,481.10

Finding the Fourth Proportional to 742,117.10, 1,113,110.85 and 243,481.10

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Solution

The fourth proportional to 742,117.10, 1,113,110.85 and 243,481.10 is: 365,200.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,117.10 : 1,113,110.85 = 243,481.10 : x
  2. Step 2: Convert to fraction form
    742,117.10/1,113,110.85 = 243,481.10/x
  3. Step 3: Cross multiply
    742,117.10x = 1,113,110.85 × 243,481.10
  4. Step 4: Simplify right side
    742,117.10x = 271,021,454,179.94
  5. Step 5: Solve for x
    x = 271,021,454,179.94/742,117.10
  6. Step 6: Final answer
    x = 365,200.39

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1.5x scale

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.