Home / 786,664.90-1,180,580.55-520,336.90

Finding the Fourth Proportional to 786,664.90, 1,180,580.55 and 520,336.90

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Solution

The fourth proportional to 786,664.90, 1,180,580.55 and 520,336.90 is: 780,891.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    786,664.90 : 1,180,580.55 = 520,336.90 : x
  2. Step 2: Convert to fraction form
    786,664.90/1,180,580.55 = 520,336.90/x
  3. Step 3: Cross multiply
    786,664.90x = 1,180,580.55 × 520,336.90
  4. Step 4: Simplify right side
    786,664.90x = 614,299,623,587.30
  5. Step 5: Solve for x
    x = 614,299,623,587.30/786,664.90
  6. Step 6: Final answer
    x = 780,891.11

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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.