Home / 498,749.40-748,124.10-341,285.40

Finding the Fourth Proportional to 498,749.40, 748,124.10 and 341,285.40

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Solution

The fourth proportional to 498,749.40, 748,124.10 and 341,285.40 is: 511,928.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,749.40 : 748,124.10 = 341,285.40 : x
  2. Step 2: Convert to fraction form
    498,749.40/748,124.10 = 341,285.40/x
  3. Step 3: Cross multiply
    498,749.40x = 748,124.10 × 341,285.40
  4. Step 4: Simplify right side
    498,749.40x = 255,323,832,718.14
  5. Step 5: Solve for x
    x = 255,323,832,718.14/498,749.40
  6. Step 6: Final answer
    x = 511,928.10

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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.