Home / 598,958.40-898,437.60-319,022.40

Finding the Fourth Proportional to 598,958.40, 898,437.60 and 319,022.40

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Solution

The fourth proportional to 598,958.40, 898,437.60 and 319,022.40 is: 478,533.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    598,958.40 : 898,437.60 = 319,022.40 : x
  2. Step 2: Convert to fraction form
    598,958.40/898,437.60 = 319,022.40/x
  3. Step 3: Cross multiply
    598,958.40x = 898,437.60 × 319,022.40
  4. Step 4: Simplify right side
    598,958.40x = 286,621,719,402.24
  5. Step 5: Solve for x
    x = 286,621,719,402.24/598,958.40
  6. Step 6: Final answer
    x = 478,533.60

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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.