Home / 952,000.30-1,428,000.45-419,247.10

Finding the Fourth Proportional to 952,000.30, 1,428,000.45 and 419,247.10

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Solution

The fourth proportional to 952,000.30, 1,428,000.45 and 419,247.10 is: 628,870.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    952,000.30 : 1,428,000.45 = 419,247.10 : x
  2. Step 2: Convert to fraction form
    952,000.30/1,428,000.45 = 419,247.10/x
  3. Step 3: Cross multiply
    952,000.30x = 1,428,000.45 × 419,247.10
  4. Step 4: Simplify right side
    952,000.30x = 598,685,047,461.20
  5. Step 5: Solve for x
    x = 598,685,047,461.20/952,000.30
  6. Step 6: Final answer
    x = 628,870.65

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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.