Home / 784,902.60-1,177,440.30-286,374.60

Finding the Fourth Proportional to 784,902.60, 1,177,440.30 and 286,374.60

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Solution

The fourth proportional to 784,902.60, 1,177,440.30 and 286,374.60 is: 429,593.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,902.60 : 1,177,440.30 = 286,374.60 : x
  2. Step 2: Convert to fraction form
    784,902.60/1,177,440.30 = 286,374.60/x
  3. Step 3: Cross multiply
    784,902.60x = 1,177,440.30 × 286,374.60
  4. Step 4: Simplify right side
    784,902.60x = 337,188,994,936.38
  5. Step 5: Solve for x
    x = 337,188,994,936.38/784,902.60
  6. Step 6: Final answer
    x = 429,593.42

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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.