Home / 817,666.40-1,226,499.60-534,231.20

Finding the Fourth Proportional to 817,666.40, 1,226,499.60 and 534,231.20

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Solution

The fourth proportional to 817,666.40, 1,226,499.60 and 534,231.20 is: 801,346.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    817,666.40 : 1,226,499.60 = 534,231.20 : x
  2. Step 2: Convert to fraction form
    817,666.40/1,226,499.60 = 534,231.20/x
  3. Step 3: Cross multiply
    817,666.40x = 1,226,499.60 × 534,231.20
  4. Step 4: Simplify right side
    817,666.40x = 655,234,353,107.52
  5. Step 5: Solve for x
    x = 655,234,353,107.52/817,666.40
  6. Step 6: Final answer
    x = 801,346.80

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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.