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Finding the Fourth Proportional to 616,010.60, 924,015.90 and 379,620.20

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Solution

The fourth proportional to 616,010.60, 924,015.90 and 379,620.20 is: 569,430.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,010.60 : 924,015.90 = 379,620.20 : x
  2. Step 2: Convert to fraction form
    616,010.60/924,015.90 = 379,620.20/x
  3. Step 3: Cross multiply
    616,010.60x = 924,015.90 × 379,620.20
  4. Step 4: Simplify right side
    616,010.60x = 350,775,100,761.18
  5. Step 5: Solve for x
    x = 350,775,100,761.18/616,010.60
  6. Step 6: Final answer
    x = 569,430.30

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1.5x scale

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.