Home / 821,437.88-1,232,462.58-502,243.88

Finding the Fourth Proportional to 821,437.88, 1,232,462.58 and 502,243.88

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Solution

The fourth proportional to 821,437.88, 1,232,462.58 and 502,243.88 is: 753,552.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    821,437.88 : 1,232,462.58 = 502,243.88 : x
  2. Step 2: Convert to fraction form
    821,437.88/1,232,462.58 = 502,243.88/x
  3. Step 3: Cross multiply
    821,437.88x = 1,232,462.58 × 502,243.88
  4. Step 4: Simplify right side
    821,437.88x = 618,996,788,134.01
  5. Step 5: Solve for x
    x = 618,996,788,134.01/821,437.88
  6. Step 6: Final answer
    x = 753,552.77

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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.