Home / 829,210.02-1,243,822-230,217.90

Finding the Fourth Proportional to 829,210.02, 1,243,822 and 230,217.90

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Solution

The fourth proportional to 829,210.02, 1,243,822 and 230,217.90 is: 345,328.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    829,210.02 : 1,243,822 = 230,217.90 : x
  2. Step 2: Convert to fraction form
    829,210.02/1,243,822 = 230,217.90/x
  3. Step 3: Cross multiply
    829,210.02x = 1,243,822 × 230,217.90
  4. Step 4: Simplify right side
    829,210.02x = 286,350,088,813.80
  5. Step 5: Solve for x
    x = 286,350,088,813.80/829,210.02
  6. Step 6: Final answer
    x = 345,328.79

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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.