Home / 821,437.38-1,232,461.83-502,243.38

Finding the Fourth Proportional to 821,437.38, 1,232,461.83 and 502,243.38

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Solution

The fourth proportional to 821,437.38, 1,232,461.83 and 502,243.38 is: 753,552.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    821,437.38 : 1,232,461.83 = 502,243.38 : x
  2. Step 2: Convert to fraction form
    821,437.38/1,232,461.83 = 502,243.38/x
  3. Step 3: Cross multiply
    821,437.38x = 1,232,461.83 × 502,243.38
  4. Step 4: Simplify right side
    821,437.38x = 618,995,795,220.19
  5. Step 5: Solve for x
    x = 618,995,795,220.19/821,437.38
  6. Step 6: Final answer
    x = 753,552.02

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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.