Home / 787,951.51-1,180,032.50-449,967.77

Finding the Fourth Proportional to 787,951.51, 1,180,032.50 and 449,967.77

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Solution

The fourth proportional to 787,951.51, 1,180,032.50 and 449,967.77 is: 673,869.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    787,951.51 : 1,180,032.50 = 449,967.77 : x
  2. Step 2: Convert to fraction form
    787,951.51/1,180,032.50 = 449,967.77/x
  3. Step 3: Cross multiply
    787,951.51x = 1,180,032.50 × 449,967.77
  4. Step 4: Simplify right side
    787,951.51x = 530,976,592,202.40
  5. Step 5: Solve for x
    x = 530,976,592,202.40/787,951.51
  6. Step 6: Final answer
    x = 673,869.63

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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.