Home / 885,392.10-1,328,088.15-220,544.10

Finding the Fourth Proportional to 885,392.10, 1,328,088.15 and 220,544.10

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Solution

The fourth proportional to 885,392.10, 1,328,088.15 and 220,544.10 is: 330,816.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,392.10 : 1,328,088.15 = 220,544.10 : x
  2. Step 2: Convert to fraction form
    885,392.10/1,328,088.15 = 220,544.10/x
  3. Step 3: Cross multiply
    885,392.10x = 1,328,088.15 × 220,544.10
  4. Step 4: Simplify right side
    885,392.10x = 292,902,005,762.42
  5. Step 5: Solve for x
    x = 292,902,005,762.42/885,392.10
  6. Step 6: Final answer
    x = 330,816.15

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Half scale
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Double scale
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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.