Home / 674,923.70-1,013,041.65-409,203.20

Finding the Fourth Proportional to 674,923.70, 1,013,041.65 and 409,203.20

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Solution

The fourth proportional to 674,923.70, 1,013,041.65 and 409,203.20 is: 614,202.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,923.70 : 1,013,041.65 = 409,203.20 : x
  2. Step 2: Convert to fraction form
    674,923.70/1,013,041.65 = 409,203.20/x
  3. Step 3: Cross multiply
    674,923.70x = 1,013,041.65 × 409,203.20
  4. Step 4: Simplify right side
    674,923.70x = 414,539,884,913.28
  5. Step 5: Solve for x
    x = 414,539,884,913.28/674,923.70
  6. Step 6: Final answer
    x = 614,202.59

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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.