Home / 764,693.12-1,147,041.51-232,218.16

Finding the Fourth Proportional to 764,693.12, 1,147,041.51 and 232,218.16

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Solution

The fourth proportional to 764,693.12, 1,147,041.51 and 232,218.16 is: 348,327.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,693.12 : 1,147,041.51 = 232,218.16 : x
  2. Step 2: Convert to fraction form
    764,693.12/1,147,041.51 = 232,218.16/x
  3. Step 3: Cross multiply
    764,693.12x = 1,147,041.51 × 232,218.16
  4. Step 4: Simplify right side
    764,693.12x = 266,363,865,157.40
  5. Step 5: Solve for x
    x = 266,363,865,157.40/764,693.12
  6. Step 6: Final answer
    x = 348,327.79

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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.