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Finding the Fourth Proportional to 524,835.60, 787,330.20 and 275,536.40

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Solution

The fourth proportional to 524,835.60, 787,330.20 and 275,536.40 is: 413,344.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,835.60 : 787,330.20 = 275,536.40 : x
  2. Step 2: Convert to fraction form
    524,835.60/787,330.20 = 275,536.40/x
  3. Step 3: Cross multiply
    524,835.60x = 787,330.20 × 275,536.40
  4. Step 4: Simplify right side
    524,835.60x = 216,938,128,919.28
  5. Step 5: Solve for x
    x = 216,938,128,919.28/524,835.60
  6. Step 6: Final answer
    x = 413,344.92

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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.