Home / 792,900.39-1,189,084.04-287,355.53

Finding the Fourth Proportional to 792,900.39, 1,189,084.04 and 287,355.53

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Solution

The fourth proportional to 792,900.39, 1,189,084.04 and 287,355.53 is: 430,936.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    792,900.39 : 1,189,084.04 = 287,355.53 : x
  2. Step 2: Convert to fraction form
    792,900.39/1,189,084.04 = 287,355.53/x
  3. Step 3: Cross multiply
    792,900.39x = 1,189,084.04 × 287,355.53
  4. Step 4: Simplify right side
    792,900.39x = 341,689,877,142.26
  5. Step 5: Solve for x
    x = 341,689,877,142.26/792,900.39
  6. Step 6: Final answer
    x = 430,936.70

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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.