Home / 888,000.52-1,331,885.36-355,526.78

Finding the Fourth Proportional to 888,000.52, 1,331,885.36 and 355,526.78

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Solution

The fourth proportional to 888,000.52, 1,331,885.36 and 355,526.78 is: 533,243.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    888,000.52 : 1,331,885.36 = 355,526.78 : x
  2. Step 2: Convert to fraction form
    888,000.52/1,331,885.36 = 355,526.78/x
  3. Step 3: Cross multiply
    888,000.52x = 1,331,885.36 × 355,526.78
  4. Step 4: Simplify right side
    888,000.52x = 473,520,913,369.94
  5. Step 5: Solve for x
    x = 473,520,913,369.94/888,000.52
  6. Step 6: Final answer
    x = 533,243.96

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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.