Home / 787,852.85-1,181,853.59-610,558.43

Finding the Fourth Proportional to 787,852.85, 1,181,853.59 and 610,558.43

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Solution

The fourth proportional to 787,852.85, 1,181,853.59 and 610,558.43 is: 915,895.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    787,852.85 : 1,181,853.59 = 610,558.43 : x
  2. Step 2: Convert to fraction form
    787,852.85/1,181,853.59 = 610,558.43/x
  3. Step 3: Cross multiply
    787,852.85x = 1,181,853.59 × 610,558.43
  4. Step 4: Simplify right side
    787,852.85x = 721,590,663,438.20
  5. Step 5: Solve for x
    x = 721,590,663,438.20/787,852.85
  6. Step 6: Final answer
    x = 915,895.23

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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.