Home / 888,417.50-1,226,021.02-486,009.50

Finding the Fourth Proportional to 888,417.50, 1,226,021.02 and 486,009.50

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Solution

The fourth proportional to 888,417.50, 1,226,021.02 and 486,009.50 is: 670,695.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    888,417.50 : 1,226,021.02 = 486,009.50 : x
  2. Step 2: Convert to fraction form
    888,417.50/1,226,021.02 = 486,009.50/x
  3. Step 3: Cross multiply
    888,417.50x = 1,226,021.02 × 486,009.50
  4. Step 4: Simplify right side
    888,417.50x = 595,857,862,919.69
  5. Step 5: Solve for x
    x = 595,857,862,919.69/888,417.50
  6. Step 6: Final answer
    x = 670,695.77

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.