Home / 746,588.48-1,120,150.02-319,945.28

Finding the Fourth Proportional to 746,588.48, 1,120,150.02 and 319,945.28

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Solution

The fourth proportional to 746,588.48, 1,120,150.02 and 319,945.28 is: 480,032.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,588.48 : 1,120,150.02 = 319,945.28 : x
  2. Step 2: Convert to fraction form
    746,588.48/1,120,150.02 = 319,945.28/x
  3. Step 3: Cross multiply
    746,588.48x = 1,120,150.02 × 319,945.28
  4. Step 4: Simplify right side
    746,588.48x = 358,386,711,790.91
  5. Step 5: Solve for x
    x = 358,386,711,790.91/746,588.48
  6. Step 6: Final answer
    x = 480,032.47

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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.