Home / 982,000.40-1,473,000.60-317,152.40

Finding the Fourth Proportional to 982,000.40, 1,473,000.60 and 317,152.40

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Solution

The fourth proportional to 982,000.40, 1,473,000.60 and 317,152.40 is: 475,728.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    982,000.40 : 1,473,000.60 = 317,152.40 : x
  2. Step 2: Convert to fraction form
    982,000.40/1,473,000.60 = 317,152.40/x
  3. Step 3: Cross multiply
    982,000.40x = 1,473,000.60 × 317,152.40
  4. Step 4: Simplify right side
    982,000.40x = 467,165,675,491.44
  5. Step 5: Solve for x
    x = 467,165,675,491.44/982,000.40
  6. Step 6: Final answer
    x = 475,728.60

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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.