Home / 690,710.02-1,036,205.17-217,285.27

Finding the Fourth Proportional to 690,710.02, 1,036,205.17 and 217,285.27

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Solution

The fourth proportional to 690,710.02, 1,036,205.17 and 217,285.27 is: 325,971.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,710.02 : 1,036,205.17 = 217,285.27 : x
  2. Step 2: Convert to fraction form
    690,710.02/1,036,205.17 = 217,285.27/x
  3. Step 3: Cross multiply
    690,710.02x = 1,036,205.17 × 217,285.27
  4. Step 4: Simplify right side
    690,710.02x = 225,152,117,005.12
  5. Step 5: Solve for x
    x = 225,152,117,005.12/690,710.02
  6. Step 6: Final answer
    x = 325,971.99

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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.