Home / 890,316.27-1,335,462.48-216,395.64

Finding the Fourth Proportional to 890,316.27, 1,335,462.48 and 216,395.64

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Solution

The fourth proportional to 890,316.27, 1,335,462.48 and 216,395.64 is: 324,590.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,316.27 : 1,335,462.48 = 216,395.64 : x
  2. Step 2: Convert to fraction form
    890,316.27/1,335,462.48 = 216,395.64/x
  3. Step 3: Cross multiply
    890,316.27x = 1,335,462.48 × 216,395.64
  4. Step 4: Simplify right side
    890,316.27x = 288,988,258,055.59
  5. Step 5: Solve for x
    x = 288,988,258,055.59/890,316.27
  6. Step 6: Final answer
    x = 324,590.56

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Double scale
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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.