Home / 890,670.66-1,335,994.64-216,753.10

Finding the Fourth Proportional to 890,670.66, 1,335,994.64 and 216,753.10

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Solution

The fourth proportional to 890,670.66, 1,335,994.64 and 216,753.10 is: 325,126.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,670.66 : 1,335,994.64 = 216,753.10 : x
  2. Step 2: Convert to fraction form
    890,670.66/1,335,994.64 = 216,753.10/x
  3. Step 3: Cross multiply
    890,670.66x = 1,335,994.64 × 216,753.10
  4. Step 4: Simplify right side
    890,670.66x = 289,580,979,803.38
  5. Step 5: Solve for x
    x = 289,580,979,803.38/890,670.66
  6. Step 6: Final answer
    x = 325,126.89

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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.