Home / 726,864.60-1,003,064.40-425,058.60

Finding the Fourth Proportional to 726,864.60, 1,003,064.40 and 425,058.60

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Solution

The fourth proportional to 726,864.60, 1,003,064.40 and 425,058.60 is: 586,575.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,864.60 : 1,003,064.40 = 425,058.60 : x
  2. Step 2: Convert to fraction form
    726,864.60/1,003,064.40 = 425,058.60/x
  3. Step 3: Cross multiply
    726,864.60x = 1,003,064.40 × 425,058.60
  4. Step 4: Simplify right side
    726,864.60x = 426,361,149,573.84
  5. Step 5: Solve for x
    x = 426,361,149,573.84/726,864.60
  6. Step 6: Final answer
    x = 586,575.75

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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.