Home / 890,357.25-1,335,526.02-216,439.20

Finding the Fourth Proportional to 890,357.25, 1,335,526.02 and 216,439.20

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Solution

The fourth proportional to 890,357.25, 1,335,526.02 and 216,439.20 is: 324,656.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,357.25 : 1,335,526.02 = 216,439.20 : x
  2. Step 2: Convert to fraction form
    890,357.25/1,335,526.02 = 216,439.20/x
  3. Step 3: Cross multiply
    890,357.25x = 1,335,526.02 × 216,439.20
  4. Step 4: Simplify right side
    890,357.25x = 289,060,183,347.98
  5. Step 5: Solve for x
    x = 289,060,183,347.98/890,357.25
  6. Step 6: Final answer
    x = 324,656.40

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Similar ratio
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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.