Home / 803,823.60-1,205,735.40-330,848.40

Finding the Fourth Proportional to 803,823.60, 1,205,735.40 and 330,848.40

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Solution

The fourth proportional to 803,823.60, 1,205,735.40 and 330,848.40 is: 496,272.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    803,823.60 : 1,205,735.40 = 330,848.40 : x
  2. Step 2: Convert to fraction form
    803,823.60/1,205,735.40 = 330,848.40/x
  3. Step 3: Cross multiply
    803,823.60x = 1,205,735.40 × 330,848.40
  4. Step 4: Simplify right side
    803,823.60x = 398,915,627,913.36
  5. Step 5: Solve for x
    x = 398,915,627,913.36/803,823.60
  6. Step 6: Final answer
    x = 496,272.60

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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.