Home / 874,878.73-1,207,332.66-472,470.73

Finding the Fourth Proportional to 874,878.73, 1,207,332.66 and 472,470.73

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Solution

The fourth proportional to 874,878.73, 1,207,332.66 and 472,470.73 is: 652,009.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,878.73 : 1,207,332.66 = 472,470.73 : x
  2. Step 2: Convert to fraction form
    874,878.73/1,207,332.66 = 472,470.73/x
  3. Step 3: Cross multiply
    874,878.73x = 1,207,332.66 × 472,470.73
  4. Step 4: Simplify right side
    874,878.73x = 570,429,343,223.04
  5. Step 5: Solve for x
    x = 570,429,343,223.04/874,878.73
  6. Step 6: Final answer
    x = 652,009.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.