Home / 900,008.20-1,350,206.70-268,985.80

Finding the Fourth Proportional to 900,008.20, 1,350,206.70 and 268,985.80

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Solution

The fourth proportional to 900,008.20, 1,350,206.70 and 268,985.80 is: 403,536.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    900,008.20 : 1,350,206.70 = 268,985.80 : x
  2. Step 2: Convert to fraction form
    900,008.20/1,350,206.70 = 268,985.80/x
  3. Step 3: Cross multiply
    900,008.20x = 1,350,206.70 × 268,985.80
  4. Step 4: Simplify right side
    900,008.20x = 363,186,429,364.86
  5. Step 5: Solve for x
    x = 363,186,429,364.86/900,008.20
  6. Step 6: Final answer
    x = 403,536.80

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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.