Home / 721,895.46-1,083,907.68-402,671.05

Finding the Fourth Proportional to 721,895.46, 1,083,907.68 and 402,671.05

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Solution

The fourth proportional to 721,895.46, 1,083,907.68 and 402,671.05 is: 604,600.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    721,895.46 : 1,083,907.68 = 402,671.05 : x
  2. Step 2: Convert to fraction form
    721,895.46/1,083,907.68 = 402,671.05/x
  3. Step 3: Cross multiply
    721,895.46x = 1,083,907.68 × 402,671.05
  4. Step 4: Simplify right side
    721,895.46x = 436,458,239,388.88
  5. Step 5: Solve for x
    x = 436,458,239,388.88/721,895.46
  6. Step 6: Final answer
    x = 604,600.34

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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.