Home / 486,051.20-729,076.80-297,094.40

Finding the Fourth Proportional to 486,051.20, 729,076.80 and 297,094.40

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Solution

The fourth proportional to 486,051.20, 729,076.80 and 297,094.40 is: 445,641.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,051.20 : 729,076.80 = 297,094.40 : x
  2. Step 2: Convert to fraction form
    486,051.20/729,076.80 = 297,094.40/x
  3. Step 3: Cross multiply
    486,051.20x = 729,076.80 × 297,094.40
  4. Step 4: Simplify right side
    486,051.20x = 216,604,634,449.92
  5. Step 5: Solve for x
    x = 216,604,634,449.92/486,051.20
  6. Step 6: Final answer
    x = 445,641.60

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Similar ratio
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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.