Home / 673,291.97-929,479.62-418,725.17

Finding the Fourth Proportional to 673,291.97, 929,479.62 and 418,725.17

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Solution

The fourth proportional to 673,291.97, 929,479.62 and 418,725.17 is: 578,050.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,291.97 : 929,479.62 = 418,725.17 : x
  2. Step 2: Convert to fraction form
    673,291.97/929,479.62 = 418,725.17/x
  3. Step 3: Cross multiply
    673,291.97x = 929,479.62 × 418,725.17
  4. Step 4: Simplify right side
    673,291.97x = 389,196,507,248.64
  5. Step 5: Solve for x
    x = 389,196,507,248.64/673,291.97
  6. Step 6: Final answer
    x = 578,050.13

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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.