Home / 770,847.02-1,155,872.04-338,387.48

Finding the Fourth Proportional to 770,847.02, 1,155,872.04 and 338,387.48

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Solution

The fourth proportional to 770,847.02, 1,155,872.04 and 338,387.48 is: 507,406.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,847.02 : 1,155,872.04 = 338,387.48 : x
  2. Step 2: Convert to fraction form
    770,847.02/1,155,872.04 = 338,387.48/x
  3. Step 3: Cross multiply
    770,847.02x = 1,155,872.04 × 338,387.48
  4. Step 4: Simplify right side
    770,847.02x = 391,132,626,818.06
  5. Step 5: Solve for x
    x = 391,132,626,818.06/770,847.02
  6. Step 6: Final answer
    x = 507,406.29

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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.