Home / 558,762.64-771,090.24-304,115.92

Finding the Fourth Proportional to 558,762.64, 771,090.24 and 304,115.92

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Solution

The fourth proportional to 558,762.64, 771,090.24 and 304,115.92 is: 419,678.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,762.64 : 771,090.24 = 304,115.92 : x
  2. Step 2: Convert to fraction form
    558,762.64/771,090.24 = 304,115.92/x
  3. Step 3: Cross multiply
    558,762.64x = 771,090.24 × 304,115.92
  4. Step 4: Simplify right side
    558,762.64x = 234,500,817,740.62
  5. Step 5: Solve for x
    x = 234,500,817,740.62/558,762.64
  6. Step 6: Final answer
    x = 419,678.77

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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.