Home / 526,849.60-787,941.60-442,868.80

Finding the Fourth Proportional to 526,849.60, 787,941.60 and 442,868.80

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Solution

The fourth proportional to 526,849.60, 787,941.60 and 442,868.80 is: 662,342.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,849.60 : 787,941.60 = 442,868.80 : x
  2. Step 2: Convert to fraction form
    526,849.60/787,941.60 = 442,868.80/x
  3. Step 3: Cross multiply
    526,849.60x = 787,941.60 × 442,868.80
  4. Step 4: Simplify right side
    526,849.60x = 348,954,750,862.08
  5. Step 5: Solve for x
    x = 348,954,750,862.08/526,849.60
  6. Step 6: Final answer
    x = 662,342.25

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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.