Home / 627,822.80-942,252.60-291,381.20

Finding the Fourth Proportional to 627,822.80, 942,252.60 and 291,381.20

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Solution

The fourth proportional to 627,822.80, 942,252.60 and 291,381.20 is: 437,312.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,822.80 : 942,252.60 = 291,381.20 : x
  2. Step 2: Convert to fraction form
    627,822.80/942,252.60 = 291,381.20/x
  3. Step 3: Cross multiply
    627,822.80x = 942,252.60 × 291,381.20
  4. Step 4: Simplify right side
    627,822.80x = 274,554,693,291.12
  5. Step 5: Solve for x
    x = 274,554,693,291.12/627,822.80
  6. Step 6: Final answer
    x = 437,312.40

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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.