Home / 792,136.90-1,188,314.70-286,575.40

Finding the Fourth Proportional to 792,136.90, 1,188,314.70 and 286,575.40

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Solution

The fourth proportional to 792,136.90, 1,188,314.70 and 286,575.40 is: 429,902.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    792,136.90 : 1,188,314.70 = 286,575.40 : x
  2. Step 2: Convert to fraction form
    792,136.90/1,188,314.70 = 286,575.40/x
  3. Step 3: Cross multiply
    792,136.90x = 1,188,314.70 × 286,575.40
  4. Step 4: Simplify right side
    792,136.90x = 340,541,760,478.38
  5. Step 5: Solve for x
    x = 340,541,760,478.38/792,136.90
  6. Step 6: Final answer
    x = 429,902.66

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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.