Home / 723,777.60-1,085,666.40-667,790.40

Finding the Fourth Proportional to 723,777.60, 1,085,666.40 and 667,790.40

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Solution

The fourth proportional to 723,777.60, 1,085,666.40 and 667,790.40 is: 1,001,685.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,777.60 : 1,085,666.40 = 667,790.40 : x
  2. Step 2: Convert to fraction form
    723,777.60/1,085,666.40 = 667,790.40/x
  3. Step 3: Cross multiply
    723,777.60x = 1,085,666.40 × 667,790.40
  4. Step 4: Simplify right side
    723,777.60x = 724,997,599,522.56
  5. Step 5: Solve for x
    x = 724,997,599,522.56/723,777.60
  6. Step 6: Final answer
    x = 1,001,685.60

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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.