Home / 972,209.40-1,458,314.10-262,309.20

Finding the Fourth Proportional to 972,209.40, 1,458,314.10 and 262,309.20

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Solution

The fourth proportional to 972,209.40, 1,458,314.10 and 262,309.20 is: 393,463.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    972,209.40 : 1,458,314.10 = 262,309.20 : x
  2. Step 2: Convert to fraction form
    972,209.40/1,458,314.10 = 262,309.20/x
  3. Step 3: Cross multiply
    972,209.40x = 1,458,314.10 × 262,309.20
  4. Step 4: Simplify right side
    972,209.40x = 382,529,204,919.72
  5. Step 5: Solve for x
    x = 382,529,204,919.72/972,209.40
  6. Step 6: Final answer
    x = 393,463.80

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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.