Home / 526,867.60-787,968.60-442,886.80

Finding the Fourth Proportional to 526,867.60, 787,968.60 and 442,886.80

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Solution

The fourth proportional to 526,867.60, 787,968.60 and 442,886.80 is: 662,369.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,867.60 : 787,968.60 = 442,886.80 : x
  2. Step 2: Convert to fraction form
    526,867.60/787,968.60 = 442,886.80/x
  3. Step 3: Cross multiply
    526,867.60x = 787,968.60 × 442,886.80
  4. Step 4: Simplify right side
    526,867.60x = 348,980,891,754.48
  5. Step 5: Solve for x
    x = 348,980,891,754.48/526,867.60
  6. Step 6: Final answer
    x = 662,369.24

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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.