Home / 547,623.60-819,822.60-408,001.20

Finding the Fourth Proportional to 547,623.60, 819,822.60 and 408,001.20

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Solution

The fourth proportional to 547,623.60, 819,822.60 and 408,001.20 is: 610,800.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,623.60 : 819,822.60 = 408,001.20 : x
  2. Step 2: Convert to fraction form
    547,623.60/819,822.60 = 408,001.20/x
  3. Step 3: Cross multiply
    547,623.60x = 819,822.60 × 408,001.20
  4. Step 4: Simplify right side
    547,623.60x = 334,488,604,587.12
  5. Step 5: Solve for x
    x = 334,488,604,587.12/547,623.60
  6. Step 6: Final answer
    x = 610,800.20

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1.5x scale

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.