Home / 690,706.13-1,036,225.10-264,234.98

Finding the Fourth Proportional to 690,706.13, 1,036,225.10 and 264,234.98

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Solution

The fourth proportional to 690,706.13, 1,036,225.10 and 264,234.98 is: 396,415.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,706.13 : 1,036,225.10 = 264,234.98 : x
  2. Step 2: Convert to fraction form
    690,706.13/1,036,225.10 = 264,234.98/x
  3. Step 3: Cross multiply
    690,706.13x = 1,036,225.10 × 264,234.98
  4. Step 4: Simplify right side
    690,706.13x = 273,806,918,574.00
  5. Step 5: Solve for x
    x = 273,806,918,574.00/690,706.13
  6. Step 6: Final answer
    x = 396,415.94

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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.