Home / 628,701.13-943,119.18-268,909.35

Finding the Fourth Proportional to 628,701.13, 943,119.18 and 268,909.35

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Solution

The fourth proportional to 628,701.13, 943,119.18 and 268,909.35 is: 403,392.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,701.13 : 943,119.18 = 268,909.35 : x
  2. Step 2: Convert to fraction form
    628,701.13/943,119.18 = 268,909.35/x
  3. Step 3: Cross multiply
    628,701.13x = 943,119.18 × 268,909.35
  4. Step 4: Simplify right side
    628,701.13x = 253,613,565,666.33
  5. Step 5: Solve for x
    x = 253,613,565,666.33/628,701.13
  6. Step 6: Final answer
    x = 403,392.89

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.