Home / 670,124.81-1,005,311.76-220,877.25

Finding the Fourth Proportional to 670,124.81, 1,005,311.76 and 220,877.25

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Solution

The fourth proportional to 670,124.81, 1,005,311.76 and 220,877.25 is: 331,356.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,124.81 : 1,005,311.76 = 220,877.25 : x
  2. Step 2: Convert to fraction form
    670,124.81/1,005,311.76 = 220,877.25/x
  3. Step 3: Cross multiply
    670,124.81x = 1,005,311.76 × 220,877.25
  4. Step 4: Simplify right side
    670,124.81x = 222,050,492,343.25
  5. Step 5: Solve for x
    x = 222,050,492,343.25/670,124.81
  6. Step 6: Final answer
    x = 331,356.92

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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.