Home / 469,071.29-647,387.85-297,005.24

Finding the Fourth Proportional to 469,071.29, 647,387.85 and 297,005.24

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Solution

The fourth proportional to 469,071.29, 647,387.85 and 297,005.24 is: 409,911.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,071.29 : 647,387.85 = 297,005.24 : x
  2. Step 2: Convert to fraction form
    469,071.29/647,387.85 = 297,005.24/x
  3. Step 3: Cross multiply
    469,071.29x = 647,387.85 × 297,005.24
  4. Step 4: Simplify right side
    469,071.29x = 192,277,583,762.33
  5. Step 5: Solve for x
    x = 192,277,583,762.33/469,071.29
  6. Step 6: Final answer
    x = 409,911.22

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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.