Home / 784,983.60-1,177,475.40-449,060.40

Finding the Fourth Proportional to 784,983.60, 1,177,475.40 and 449,060.40

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Solution

The fourth proportional to 784,983.60, 1,177,475.40 and 449,060.40 is: 673,590.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,983.60 : 1,177,475.40 = 449,060.40 : x
  2. Step 2: Convert to fraction form
    784,983.60/1,177,475.40 = 449,060.40/x
  3. Step 3: Cross multiply
    784,983.60x = 1,177,475.40 × 449,060.40
  4. Step 4: Simplify right side
    784,983.60x = 528,757,574,114.16
  5. Step 5: Solve for x
    x = 528,757,574,114.16/784,983.60
  6. Step 6: Final answer
    x = 673,590.60

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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.