Home / 808,850.51-1,116,312.55-464,685.78

Finding the Fourth Proportional to 808,850.51, 1,116,312.55 and 464,685.78

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Solution

The fourth proportional to 808,850.51, 1,116,312.55 and 464,685.78 is: 641,323.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,850.51 : 1,116,312.55 = 464,685.78 : x
  2. Step 2: Convert to fraction form
    808,850.51/1,116,312.55 = 464,685.78/x
  3. Step 3: Cross multiply
    808,850.51x = 1,116,312.55 × 464,685.78
  4. Step 4: Simplify right side
    808,850.51x = 518,734,568,020.54
  5. Step 5: Solve for x
    x = 518,734,568,020.54/808,850.51
  6. Step 6: Final answer
    x = 641,323.16

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1.5x scale

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.