Home / 669,532.78-1,007,918.87-609,944.22

Finding the Fourth Proportional to 669,532.78, 1,007,918.87 and 609,944.22

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Solution

The fourth proportional to 669,532.78, 1,007,918.87 and 609,944.22 is: 918,213.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,532.78 : 1,007,918.87 = 609,944.22 : x
  2. Step 2: Convert to fraction form
    669,532.78/1,007,918.87 = 609,944.22/x
  3. Step 3: Cross multiply
    669,532.78x = 1,007,918.87 × 609,944.22
  4. Step 4: Simplify right side
    669,532.78x = 614,774,288,985.43
  5. Step 5: Solve for x
    x = 614,774,288,985.43/669,532.78
  6. Step 6: Final answer
    x = 918,213.88

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.