Home / 874,878.56-1,207,332.30-472,470.56

Finding the Fourth Proportional to 874,878.56, 1,207,332.30 and 472,470.56

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Solution

The fourth proportional to 874,878.56, 1,207,332.30 and 472,470.56 is: 652,009.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,878.56 : 1,207,332.30 = 472,470.56 : x
  2. Step 2: Convert to fraction form
    874,878.56/1,207,332.30 = 472,470.56/x
  3. Step 3: Cross multiply
    874,878.56x = 1,207,332.30 × 472,470.56
  4. Step 4: Simplify right side
    874,878.56x = 570,428,967,887.09
  5. Step 5: Solve for x
    x = 570,428,967,887.09/874,878.56
  6. Step 6: Final answer
    x = 652,009.31

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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.