Home / 855,440.76-1,282,577.94-433,903.80

Finding the Fourth Proportional to 855,440.76, 1,282,577.94 and 433,903.80

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Solution

The fourth proportional to 855,440.76, 1,282,577.94 and 433,903.80 is: 650,559.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,440.76 : 1,282,577.94 = 433,903.80 : x
  2. Step 2: Convert to fraction form
    855,440.76/1,282,577.94 = 433,903.80/x
  3. Step 3: Cross multiply
    855,440.76x = 1,282,577.94 × 433,903.80
  4. Step 4: Simplify right side
    855,440.76x = 556,515,441,962.17
  5. Step 5: Solve for x
    x = 556,515,441,962.17/855,440.76
  6. Step 6: Final answer
    x = 650,559.88

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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.