Home / 790,875.42-1,186,515.43-229,909.92

Finding the Fourth Proportional to 790,875.42, 1,186,515.43 and 229,909.92

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Solution

The fourth proportional to 790,875.42, 1,186,515.43 and 229,909.92 is: 344,923.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,875.42 : 1,186,515.43 = 229,909.92 : x
  2. Step 2: Convert to fraction form
    790,875.42/1,186,515.43 = 229,909.92/x
  3. Step 3: Cross multiply
    790,875.42x = 1,186,515.43 × 229,909.92
  4. Step 4: Simplify right side
    790,875.42x = 272,791,670,533.25
  5. Step 5: Solve for x
    x = 272,791,670,533.25/790,875.42
  6. Step 6: Final answer
    x = 344,923.69

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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.