Home / 766,931.14-1,149,617.40-317,896.30

Finding the Fourth Proportional to 766,931.14, 1,149,617.40 and 317,896.30

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Solution

The fourth proportional to 766,931.14, 1,149,617.40 and 317,896.30 is: 476,521.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,931.14 : 1,149,617.40 = 317,896.30 : x
  2. Step 2: Convert to fraction form
    766,931.14/1,149,617.40 = 317,896.30/x
  3. Step 3: Cross multiply
    766,931.14x = 1,149,617.40 × 317,896.30
  4. Step 4: Simplify right side
    766,931.14x = 365,459,117,875.62
  5. Step 5: Solve for x
    x = 365,459,117,875.62/766,931.14
  6. Step 6: Final answer
    x = 476,521.42

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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.