Home / 852,909.42-1,177,020.69-465,727.53

Finding the Fourth Proportional to 852,909.42, 1,177,020.69 and 465,727.53

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Solution

The fourth proportional to 852,909.42, 1,177,020.69 and 465,727.53 is: 642,707.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,909.42 : 1,177,020.69 = 465,727.53 : x
  2. Step 2: Convert to fraction form
    852,909.42/1,177,020.69 = 465,727.53/x
  3. Step 3: Cross multiply
    852,909.42x = 1,177,020.69 × 465,727.53
  4. Step 4: Simplify right side
    852,909.42x = 548,170,938,712.60
  5. Step 5: Solve for x
    x = 548,170,938,712.60/852,909.42
  6. Step 6: Final answer
    x = 642,707.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.