Home / 690,710.03-1,036,205.17-217,285.28

Finding the Fourth Proportional to 690,710.03, 1,036,205.17 and 217,285.28

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Solution

The fourth proportional to 690,710.03, 1,036,205.17 and 217,285.28 is: 325,972.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,710.03 : 1,036,205.17 = 217,285.28 : x
  2. Step 2: Convert to fraction form
    690,710.03/1,036,205.17 = 217,285.28/x
  3. Step 3: Cross multiply
    690,710.03x = 1,036,205.17 × 217,285.28
  4. Step 4: Simplify right side
    690,710.03x = 225,152,130,500.90
  5. Step 5: Solve for x
    x = 225,152,130,500.90/690,710.03
  6. Step 6: Final answer
    x = 325,972.00

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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.