Home / 890,070.11-1,335,187.25-291,034.34

Finding the Fourth Proportional to 890,070.11, 1,335,187.25 and 291,034.34

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Solution

The fourth proportional to 890,070.11, 1,335,187.25 and 291,034.34 is: 436,578.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,070.11 : 1,335,187.25 = 291,034.34 : x
  2. Step 2: Convert to fraction form
    890,070.11/1,335,187.25 = 291,034.34/x
  3. Step 3: Cross multiply
    890,070.11x = 1,335,187.25 × 291,034.34
  4. Step 4: Simplify right side
    890,070.11x = 388,585,340,080.17
  5. Step 5: Solve for x
    x = 388,585,340,080.17/890,070.11
  6. Step 6: Final answer
    x = 436,578.35

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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.