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Finding the Fourth Proportional to 670,220.39, 924,273.79 and 517,016.32

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Solution

The fourth proportional to 670,220.39, 924,273.79 and 517,016.32 is: 712,996.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,220.39 : 924,273.79 = 517,016.32 : x
  2. Step 2: Convert to fraction form
    670,220.39/924,273.79 = 517,016.32/x
  3. Step 3: Cross multiply
    670,220.39x = 924,273.79 × 517,016.32
  4. Step 4: Simplify right side
    670,220.39x = 477,864,629,975.03
  5. Step 5: Solve for x
    x = 477,864,629,975.03/670,220.39
  6. Step 6: Final answer
    x = 712,996.26

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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.