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Finding the Fourth Proportional to 662,027.80, 992,264.04 and 306,290.44

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Solution

The fourth proportional to 662,027.80, 992,264.04 and 306,290.44 is: 459,075.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,027.80 : 992,264.04 = 306,290.44 : x
  2. Step 2: Convert to fraction form
    662,027.80/992,264.04 = 306,290.44/x
  3. Step 3: Cross multiply
    662,027.80x = 992,264.04 × 306,290.44
  4. Step 4: Simplify right side
    662,027.80x = 303,920,989,407.78
  5. Step 5: Solve for x
    x = 303,920,989,407.78/662,027.80
  6. Step 6: Final answer
    x = 459,075.87

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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.