Home / 670,016.28-924,657.90-379,684.20

Finding the Fourth Proportional to 670,016.28, 924,657.90 and 379,684.20

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Solution

The fourth proportional to 670,016.28, 924,657.90 and 379,684.20 is: 523,984.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,016.28 : 924,657.90 = 379,684.20 : x
  2. Step 2: Convert to fraction form
    670,016.28/924,657.90 = 379,684.20/x
  3. Step 3: Cross multiply
    670,016.28x = 924,657.90 × 379,684.20
  4. Step 4: Simplify right side
    670,016.28x = 351,077,995,035.18
  5. Step 5: Solve for x
    x = 351,077,995,035.18/670,016.28
  6. Step 6: Final answer
    x = 523,984.28

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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.