Home / 890,875.20-1,336,131.36-329,776.32

Finding the Fourth Proportional to 890,875.20, 1,336,131.36 and 329,776.32

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Solution

The fourth proportional to 890,875.20, 1,336,131.36 and 329,776.32 is: 494,597.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,875.20 : 1,336,131.36 = 329,776.32 : x
  2. Step 2: Convert to fraction form
    890,875.20/1,336,131.36 = 329,776.32/x
  3. Step 3: Cross multiply
    890,875.20x = 1,336,131.36 × 329,776.32
  4. Step 4: Simplify right side
    890,875.20x = 440,624,482,937.40
  5. Step 5: Solve for x
    x = 440,624,482,937.40/890,875.20
  6. Step 6: Final answer
    x = 494,597.32

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Double scale
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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.