Home / 764,586.30-1,146,875.40-195,966.30

Finding the Fourth Proportional to 764,586.30, 1,146,875.40 and 195,966.30

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Solution

The fourth proportional to 764,586.30, 1,146,875.40 and 195,966.30 is: 293,948.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,586.30 : 1,146,875.40 = 195,966.30 : x
  2. Step 2: Convert to fraction form
    764,586.30/1,146,875.40 = 195,966.30/x
  3. Step 3: Cross multiply
    764,586.30x = 1,146,875.40 × 195,966.30
  4. Step 4: Simplify right side
    764,586.30x = 224,748,928,699.02
  5. Step 5: Solve for x
    x = 224,748,928,699.02/764,586.30
  6. Step 6: Final answer
    x = 293,948.41

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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.