Home / 867,862.08-1,302,634.98-418,899.24

Finding the Fourth Proportional to 867,862.08, 1,302,634.98 and 418,899.24

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Solution

The fourth proportional to 867,862.08, 1,302,634.98 and 418,899.24 is: 628,755.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    867,862.08 : 1,302,634.98 = 418,899.24 : x
  2. Step 2: Convert to fraction form
    867,862.08/1,302,634.98 = 418,899.24/x
  3. Step 3: Cross multiply
    867,862.08x = 1,302,634.98 × 418,899.24
  4. Step 4: Simplify right side
    867,862.08x = 545,672,803,119.42
  5. Step 5: Solve for x
    x = 545,672,803,119.42/867,862.08
  6. Step 6: Final answer
    x = 628,755.21

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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.