Home / 830,848.46-1,246,405.55-351,080.78

Finding the Fourth Proportional to 830,848.46, 1,246,405.55 and 351,080.78

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Solution

The fourth proportional to 830,848.46, 1,246,405.55 and 351,080.78 is: 526,677.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,848.46 : 1,246,405.55 = 351,080.78 : x
  2. Step 2: Convert to fraction form
    830,848.46/1,246,405.55 = 351,080.78/x
  3. Step 3: Cross multiply
    830,848.46x = 1,246,405.55 × 351,080.78
  4. Step 4: Simplify right side
    830,848.46x = 437,589,024,702.90
  5. Step 5: Solve for x
    x = 437,589,024,702.90/830,848.46
  6. Step 6: Final answer
    x = 526,677.30

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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.