Home / 526,848.60-787,940.10-442,867.80

Finding the Fourth Proportional to 526,848.60, 787,940.10 and 442,867.80

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Solution

The fourth proportional to 526,848.60, 787,940.10 and 442,867.80 is: 662,340.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,848.60 : 787,940.10 = 442,867.80 : x
  2. Step 2: Convert to fraction form
    526,848.60/787,940.10 = 442,867.80/x
  3. Step 3: Cross multiply
    526,848.60x = 787,940.10 × 442,867.80
  4. Step 4: Simplify right side
    526,848.60x = 348,953,298,618.78
  5. Step 5: Solve for x
    x = 348,953,298,618.78/526,848.60
  6. Step 6: Final answer
    x = 662,340.75

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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.