Home / 717,727.88-1,075,787.16-291,164.60

Finding the Fourth Proportional to 717,727.88, 1,075,787.16 and 291,164.60

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Solution

The fourth proportional to 717,727.88, 1,075,787.16 and 291,164.60 is: 436,420.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    717,727.88 : 1,075,787.16 = 291,164.60 : x
  2. Step 2: Convert to fraction form
    717,727.88/1,075,787.16 = 291,164.60/x
  3. Step 3: Cross multiply
    717,727.88x = 1,075,787.16 × 291,164.60
  4. Step 4: Simplify right side
    717,727.88x = 313,231,138,126.54
  5. Step 5: Solve for x
    x = 313,231,138,126.54/717,727.88
  6. Step 6: Final answer
    x = 436,420.47

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1.5x scale

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.