Home / 865,701.20-1,297,937.40-333,016.40

Finding the Fourth Proportional to 865,701.20, 1,297,937.40 and 333,016.40

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Solution

The fourth proportional to 865,701.20, 1,297,937.40 and 333,016.40 is: 499,288.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    865,701.20 : 1,297,937.40 = 333,016.40 : x
  2. Step 2: Convert to fraction form
    865,701.20/1,297,937.40 = 333,016.40/x
  3. Step 3: Cross multiply
    865,701.20x = 1,297,937.40 × 333,016.40
  4. Step 4: Simplify right side
    865,701.20x = 432,234,440,373.36
  5. Step 5: Solve for x
    x = 432,234,440,373.36/865,701.20
  6. Step 6: Final answer
    x = 499,288.25

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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.