Home / 558,864.38-771,213.21-304,210.10

Finding the Fourth Proportional to 558,864.38, 771,213.21 and 304,210.10

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Solution

The fourth proportional to 558,864.38, 771,213.21 and 304,210.10 is: 419,799.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,864.38 : 771,213.21 = 304,210.10 : x
  2. Step 2: Convert to fraction form
    558,864.38/771,213.21 = 304,210.10/x
  3. Step 3: Cross multiply
    558,864.38x = 771,213.21 × 304,210.10
  4. Step 4: Simplify right side
    558,864.38x = 234,610,847,735.42
  5. Step 5: Solve for x
    x = 234,610,847,735.42/558,864.38
  6. Step 6: Final answer
    x = 419,799.25

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.