Home / 865,695.20-1,297,928.40-333,010.40

Finding the Fourth Proportional to 865,695.20, 1,297,928.40 and 333,010.40

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Solution

The fourth proportional to 865,695.20, 1,297,928.40 and 333,010.40 is: 499,279.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    865,695.20 : 1,297,928.40 = 333,010.40 : x
  2. Step 2: Convert to fraction form
    865,695.20/1,297,928.40 = 333,010.40/x
  3. Step 3: Cross multiply
    865,695.20x = 1,297,928.40 × 333,010.40
  4. Step 4: Simplify right side
    865,695.20x = 432,223,655,655.36
  5. Step 5: Solve for x
    x = 432,223,655,655.36/865,695.20
  6. Step 6: Final answer
    x = 499,279.26

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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.