Home / 629,904.12-869,267.08-343,424.13

Finding the Fourth Proportional to 629,904.12, 869,267.08 and 343,424.13

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Solution

The fourth proportional to 629,904.12, 869,267.08 and 343,424.13 is: 473,924.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,904.12 : 869,267.08 = 343,424.13 : x
  2. Step 2: Convert to fraction form
    629,904.12/869,267.08 = 343,424.13/x
  3. Step 3: Cross multiply
    629,904.12x = 869,267.08 × 343,424.13
  4. Step 4: Simplify right side
    629,904.12x = 298,527,290,686.64
  5. Step 5: Solve for x
    x = 298,527,290,686.64/629,904.12
  6. Step 6: Final answer
    x = 473,924.97

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1.5x scale

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.