Home / 629,398.65-868,580.10-342,918.66

Finding the Fourth Proportional to 629,398.65, 868,580.10 and 342,918.66

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Solution

The fourth proportional to 629,398.65, 868,580.10 and 342,918.66 is: 473,233.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,398.65 : 868,580.10 = 342,918.66 : x
  2. Step 2: Convert to fraction form
    629,398.65/868,580.10 = 342,918.66/x
  3. Step 3: Cross multiply
    629,398.65x = 868,580.10 × 342,918.66
  4. Step 4: Simplify right side
    629,398.65x = 297,852,323,994.67
  5. Step 5: Solve for x
    x = 297,852,323,994.67/629,398.65
  6. Step 6: Final answer
    x = 473,233.18

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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.