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Finding the Fourth Proportional to 558,875.88, 771,248.81 and 304,228.98

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Solution

The fourth proportional to 558,875.88, 771,248.81 and 304,228.98 is: 419,836.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,875.88 : 771,248.81 = 304,228.98 : x
  2. Step 2: Convert to fraction form
    558,875.88/771,248.81 = 304,228.98/x
  3. Step 3: Cross multiply
    558,875.88x = 771,248.81 × 304,228.98
  4. Step 4: Simplify right side
    558,875.88x = 234,636,238,792.51
  5. Step 5: Solve for x
    x = 234,636,238,792.51/558,875.88
  6. Step 6: Final answer
    x = 419,836.04

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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.