Home / 819,582.72-1,131,058.56-480,003.84

Finding the Fourth Proportional to 819,582.72, 1,131,058.56 and 480,003.84

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Solution

The fourth proportional to 819,582.72, 1,131,058.56 and 480,003.84 is: 662,425.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    819,582.72 : 1,131,058.56 = 480,003.84 : x
  2. Step 2: Convert to fraction form
    819,582.72/1,131,058.56 = 480,003.84/x
  3. Step 3: Cross multiply
    819,582.72x = 1,131,058.56 × 480,003.84
  4. Step 4: Simplify right side
    819,582.72x = 542,912,452,064.87
  5. Step 5: Solve for x
    x = 542,912,452,064.87/819,582.72
  6. Step 6: Final answer
    x = 662,425.45

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1.5x scale

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.