Home / 890,666.20-1,335,999.30-216,742.15

Finding the Fourth Proportional to 890,666.20, 1,335,999.30 and 216,742.15

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Solution

The fourth proportional to 890,666.20, 1,335,999.30 and 216,742.15 is: 325,113.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,666.20 : 1,335,999.30 = 216,742.15 : x
  2. Step 2: Convert to fraction form
    890,666.20/1,335,999.30 = 216,742.15/x
  3. Step 3: Cross multiply
    890,666.20x = 1,335,999.30 × 216,742.15
  4. Step 4: Simplify right side
    890,666.20x = 289,567,360,680.50
  5. Step 5: Solve for x
    x = 289,567,360,680.50/890,666.20
  6. Step 6: Final answer
    x = 325,113.23

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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.