Home / 890,947.95-1,229,579.15-503,844.90

Finding the Fourth Proportional to 890,947.95, 1,229,579.15 and 503,844.90

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Solution

The fourth proportional to 890,947.95, 1,229,579.15 and 503,844.90 is: 695,346.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,947.95 : 1,229,579.15 = 503,844.90 : x
  2. Step 2: Convert to fraction form
    890,947.95/1,229,579.15 = 503,844.90/x
  3. Step 3: Cross multiply
    890,947.95x = 1,229,579.15 × 503,844.90
  4. Step 4: Simplify right side
    890,947.95x = 619,517,183,873.84
  5. Step 5: Solve for x
    x = 619,517,183,873.84/890,947.95
  6. Step 6: Final answer
    x = 695,346.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.