Home / 904,211.90-1,247,828.56-496,351.70

Finding the Fourth Proportional to 904,211.90, 1,247,828.56 and 496,351.70

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Solution

The fourth proportional to 904,211.90, 1,247,828.56 and 496,351.70 is: 684,974.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    904,211.90 : 1,247,828.56 = 496,351.70 : x
  2. Step 2: Convert to fraction form
    904,211.90/1,247,828.56 = 496,351.70/x
  3. Step 3: Cross multiply
    904,211.90x = 1,247,828.56 × 496,351.70
  4. Step 4: Simplify right side
    904,211.90x = 619,361,828,943.24
  5. Step 5: Solve for x
    x = 619,361,828,943.24/904,211.90
  6. Step 6: Final answer
    x = 684,974.20

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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.