Home / 508,972.10-763,544.55-153,983.30

Finding the Fourth Proportional to 508,972.10, 763,544.55 and 153,983.30

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Solution

The fourth proportional to 508,972.10, 763,544.55 and 153,983.30 is: 231,001.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,972.10 : 763,544.55 = 153,983.30 : x
  2. Step 2: Convert to fraction form
    508,972.10/763,544.55 = 153,983.30/x
  3. Step 3: Cross multiply
    508,972.10x = 763,544.55 × 153,983.30
  4. Step 4: Simplify right side
    508,972.10x = 117,573,109,506.02
  5. Step 5: Solve for x
    x = 117,573,109,506.02/508,972.10
  6. Step 6: Final answer
    x = 231,001.09

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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.