Home / 629,384.16-868,560.10-342,904.16

Finding the Fourth Proportional to 629,384.16, 868,560.10 and 342,904.16

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Solution

The fourth proportional to 629,384.16, 868,560.10 and 342,904.16 is: 473,213.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,384.16 : 868,560.10 = 342,904.16 : x
  2. Step 2: Convert to fraction form
    629,384.16/868,560.10 = 342,904.16/x
  3. Step 3: Cross multiply
    629,384.16x = 868,560.10 × 342,904.16
  4. Step 4: Simplify right side
    629,384.16x = 297,832,871,500.02
  5. Step 5: Solve for x
    x = 297,832,871,500.02/629,384.16
  6. Step 6: Final answer
    x = 473,213.17

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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.