Home / 821,436.88-1,232,461.08-502,242.88

Finding the Fourth Proportional to 821,436.88, 1,232,461.08 and 502,242.88

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Solution

The fourth proportional to 821,436.88, 1,232,461.08 and 502,242.88 is: 753,551.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    821,436.88 : 1,232,461.08 = 502,242.88 : x
  2. Step 2: Convert to fraction form
    821,436.88/1,232,461.08 = 502,242.88/x
  3. Step 3: Cross multiply
    821,436.88x = 1,232,461.08 × 502,242.88
  4. Step 4: Simplify right side
    821,436.88x = 618,994,802,307.11
  5. Step 5: Solve for x
    x = 618,994,802,307.11/821,436.88
  6. Step 6: Final answer
    x = 753,551.27

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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.