Home / 830,940.60-1,246,238.10-357,641.40

Finding the Fourth Proportional to 830,940.60, 1,246,238.10 and 357,641.40

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Solution

The fourth proportional to 830,940.60, 1,246,238.10 and 357,641.40 is: 536,387.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,940.60 : 1,246,238.10 = 357,641.40 : x
  2. Step 2: Convert to fraction form
    830,940.60/1,246,238.10 = 357,641.40/x
  3. Step 3: Cross multiply
    830,940.60x = 1,246,238.10 × 357,641.40
  4. Step 4: Simplify right side
    830,940.60x = 445,706,338,817.34
  5. Step 5: Solve for x
    x = 445,706,338,817.34/830,940.60
  6. Step 6: Final answer
    x = 536,387.73

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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.