Home / 786,877.80-1,180,608.30-254,416.20

Finding the Fourth Proportional to 786,877.80, 1,180,608.30 and 254,416.20

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Solution

The fourth proportional to 786,877.80, 1,180,608.30 and 254,416.20 is: 381,718.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    786,877.80 : 1,180,608.30 = 254,416.20 : x
  2. Step 2: Convert to fraction form
    786,877.80/1,180,608.30 = 254,416.20/x
  3. Step 3: Cross multiply
    786,877.80x = 1,180,608.30 × 254,416.20
  4. Step 4: Simplify right side
    786,877.80x = 300,365,877,374.46
  5. Step 5: Solve for x
    x = 300,365,877,374.46/786,877.80
  6. Step 6: Final answer
    x = 381,718.58

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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.