Home / 804,155.62-1,109,754.10-436,648.40

Finding the Fourth Proportional to 804,155.62, 1,109,754.10 and 436,648.40

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Solution

The fourth proportional to 804,155.62, 1,109,754.10 and 436,648.40 is: 602,585.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,155.62 : 1,109,754.10 = 436,648.40 : x
  2. Step 2: Convert to fraction form
    804,155.62/1,109,754.10 = 436,648.40/x
  3. Step 3: Cross multiply
    804,155.62x = 1,109,754.10 × 436,648.40
  4. Step 4: Simplify right side
    804,155.62x = 484,572,352,158.44
  5. Step 5: Solve for x
    x = 484,572,352,158.44/804,155.62
  6. Step 6: Final answer
    x = 602,585.30

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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.