Home / 787,502.46-1,180,728.81-382,586.70

Finding the Fourth Proportional to 787,502.46, 1,180,728.81 and 382,586.70

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Solution

The fourth proportional to 787,502.46, 1,180,728.81 and 382,586.70 is: 573,625.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    787,502.46 : 1,180,728.81 = 382,586.70 : x
  2. Step 2: Convert to fraction form
    787,502.46/1,180,728.81 = 382,586.70/x
  3. Step 3: Cross multiply
    787,502.46x = 1,180,728.81 × 382,586.70
  4. Step 4: Simplify right side
    787,502.46x = 451,731,139,012.83
  5. Step 5: Solve for x
    x = 451,731,139,012.83/787,502.46
  6. Step 6: Final answer
    x = 573,625.05

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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.