Home / 948,590.40-1,422,424.80-527,419.20

Finding the Fourth Proportional to 948,590.40, 1,422,424.80 and 527,419.20

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Solution

The fourth proportional to 948,590.40, 1,422,424.80 and 527,419.20 is: 790,872.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    948,590.40 : 1,422,424.80 = 527,419.20 : x
  2. Step 2: Convert to fraction form
    948,590.40/1,422,424.80 = 527,419.20/x
  3. Step 3: Cross multiply
    948,590.40x = 1,422,424.80 × 527,419.20
  4. Step 4: Simplify right side
    948,590.40x = 750,214,150,076.16
  5. Step 5: Solve for x
    x = 750,214,150,076.16/948,590.40
  6. Step 6: Final answer
    x = 790,872.59

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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.