Home / 745,275.38-1,117,756.32-239,881.54

Finding the Fourth Proportional to 745,275.38, 1,117,756.32 and 239,881.54

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Solution

The fourth proportional to 745,275.38, 1,117,756.32 and 239,881.54 is: 359,771.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,275.38 : 1,117,756.32 = 239,881.54 : x
  2. Step 2: Convert to fraction form
    745,275.38/1,117,756.32 = 239,881.54/x
  3. Step 3: Cross multiply
    745,275.38x = 1,117,756.32 × 239,881.54
  4. Step 4: Simplify right side
    745,275.38x = 268,129,107,386.33
  5. Step 5: Solve for x
    x = 268,129,107,386.33/745,275.38
  6. Step 6: Final answer
    x = 359,771.86

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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.