Home / 526,836.60-787,922.10-442,855.80

Finding the Fourth Proportional to 526,836.60, 787,922.10 and 442,855.80

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Solution

The fourth proportional to 526,836.60, 787,922.10 and 442,855.80 is: 662,322.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,836.60 : 787,922.10 = 442,855.80 : x
  2. Step 2: Convert to fraction form
    526,836.60/787,922.10 = 442,855.80/x
  3. Step 3: Cross multiply
    526,836.60x = 787,922.10 × 442,855.80
  4. Step 4: Simplify right side
    526,836.60x = 348,935,871,933.18
  5. Step 5: Solve for x
    x = 348,935,871,933.18/526,836.60
  6. Step 6: Final answer
    x = 662,322.76

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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.