Home / 764,155.12-1,054,094.88-477,177.04

Finding the Fourth Proportional to 764,155.12, 1,054,094.88 and 477,177.04

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Solution

The fourth proportional to 764,155.12, 1,054,094.88 and 477,177.04 is: 658,230.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,155.12 : 1,054,094.88 = 477,177.04 : x
  2. Step 2: Convert to fraction form
    764,155.12/1,054,094.88 = 477,177.04/x
  3. Step 3: Cross multiply
    764,155.12x = 1,054,094.88 × 477,177.04
  4. Step 4: Simplify right side
    764,155.12x = 502,989,874,717.56
  5. Step 5: Solve for x
    x = 502,989,874,717.56/764,155.12
  6. Step 6: Final answer
    x = 658,230.07

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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.