Home / 690,762.04-1,036,139.22-217,482.04

Finding the Fourth Proportional to 690,762.04, 1,036,139.22 and 217,482.04

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Solution

The fourth proportional to 690,762.04, 1,036,139.22 and 217,482.04 is: 326,221.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,762.04 : 1,036,139.22 = 217,482.04 : x
  2. Step 2: Convert to fraction form
    690,762.04/1,036,139.22 = 217,482.04/x
  3. Step 3: Cross multiply
    690,762.04x = 1,036,139.22 × 217,482.04
  4. Step 4: Simplify right side
    690,762.04x = 225,341,671,289.61
  5. Step 5: Solve for x
    x = 225,341,671,289.61/690,762.04
  6. Step 6: Final answer
    x = 326,221.85

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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.