Home / 629,409.01-868,573.47-342,931.18

Finding the Fourth Proportional to 629,409.01, 868,573.47 and 342,931.18

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Solution

The fourth proportional to 629,409.01, 868,573.47 and 342,931.18 is: 473,239.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,409.01 : 868,573.47 = 342,931.18 : x
  2. Step 2: Convert to fraction form
    629,409.01/868,573.47 = 342,931.18/x
  3. Step 3: Cross multiply
    629,409.01x = 868,573.47 × 342,931.18
  4. Step 4: Simplify right side
    629,409.01x = 297,860,924,983.80
  5. Step 5: Solve for x
    x = 297,860,924,983.80/629,409.01
  6. Step 6: Final answer
    x = 473,239.05

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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.