Home / 979,470.90-1,468,696.59-348,292.98

Finding the Fourth Proportional to 979,470.90, 1,468,696.59 and 348,292.98

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Solution

The fourth proportional to 979,470.90, 1,468,696.59 and 348,292.98 is: 522,258.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    979,470.90 : 1,468,696.59 = 348,292.98 : x
  2. Step 2: Convert to fraction form
    979,470.90/1,468,696.59 = 348,292.98/x
  3. Step 3: Cross multiply
    979,470.90x = 1,468,696.59 × 348,292.98
  4. Step 4: Simplify right side
    979,470.90x = 511,536,712,046.94
  5. Step 5: Solve for x
    x = 511,536,712,046.94/979,470.90
  6. Step 6: Final answer
    x = 522,258.20

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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.