Home / 745,227.90-1,117,285.38-239,500.35

Finding the Fourth Proportional to 745,227.90, 1,117,285.38 and 239,500.35

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Solution

The fourth proportional to 745,227.90, 1,117,285.38 and 239,500.35 is: 359,071.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,227.90 : 1,117,285.38 = 239,500.35 : x
  2. Step 2: Convert to fraction form
    745,227.90/1,117,285.38 = 239,500.35/x
  3. Step 3: Cross multiply
    745,227.90x = 1,117,285.38 × 239,500.35
  4. Step 4: Simplify right side
    745,227.90x = 267,590,239,559.88
  5. Step 5: Solve for x
    x = 267,590,239,559.88/745,227.90
  6. Step 6: Final answer
    x = 359,071.69

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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.