Home / 972,000.30-1,458,000.45-262,100.10

Finding the Fourth Proportional to 972,000.30, 1,458,000.45 and 262,100.10

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Solution

The fourth proportional to 972,000.30, 1,458,000.45 and 262,100.10 is: 393,150.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    972,000.30 : 1,458,000.45 = 262,100.10 : x
  2. Step 2: Convert to fraction form
    972,000.30/1,458,000.45 = 262,100.10/x
  3. Step 3: Cross multiply
    972,000.30x = 1,458,000.45 × 262,100.10
  4. Step 4: Simplify right side
    972,000.30x = 382,142,063,745.05
  5. Step 5: Solve for x
    x = 382,142,063,745.05/972,000.30
  6. Step 6: Final answer
    x = 393,150.15

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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.