Home / 764,038.16-1,144,482.24-447,535.52

Finding the Fourth Proportional to 764,038.16, 1,144,482.24 and 447,535.52

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Solution

The fourth proportional to 764,038.16, 1,144,482.24 and 447,535.52 is: 670,380.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,038.16 : 1,144,482.24 = 447,535.52 : x
  2. Step 2: Convert to fraction form
    764,038.16/1,144,482.24 = 447,535.52/x
  3. Step 3: Cross multiply
    764,038.16x = 1,144,482.24 × 447,535.52
  4. Step 4: Simplify right side
    764,038.16x = 512,196,454,409.17
  5. Step 5: Solve for x
    x = 512,196,454,409.17/764,038.16
  6. Step 6: Final answer
    x = 670,380.72

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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.