Home / 765,032.95-1,055,680.39-442,763.01

Finding the Fourth Proportional to 765,032.95, 1,055,680.39 and 442,763.01

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Solution

The fourth proportional to 765,032.95, 1,055,680.39 and 442,763.01 is: 610,975.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    765,032.95 : 1,055,680.39 = 442,763.01 : x
  2. Step 2: Convert to fraction form
    765,032.95/1,055,680.39 = 442,763.01/x
  3. Step 3: Cross multiply
    765,032.95x = 1,055,680.39 × 442,763.01
  4. Step 4: Simplify right side
    765,032.95x = 467,416,227,627.83
  5. Step 5: Solve for x
    x = 467,416,227,627.83/765,032.95
  6. Step 6: Final answer
    x = 610,975.29

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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.