Home / 821,311.02-1,133,397.24-458,740.02

Finding the Fourth Proportional to 821,311.02, 1,133,397.24 and 458,740.02

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Solution

The fourth proportional to 821,311.02, 1,133,397.24 and 458,740.02 is: 633,054.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    821,311.02 : 1,133,397.24 = 458,740.02 : x
  2. Step 2: Convert to fraction form
    821,311.02/1,133,397.24 = 458,740.02/x
  3. Step 3: Cross multiply
    821,311.02x = 1,133,397.24 × 458,740.02
  4. Step 4: Simplify right side
    821,311.02x = 519,934,672,545.55
  5. Step 5: Solve for x
    x = 519,934,672,545.55/821,311.02
  6. Step 6: Final answer
    x = 633,054.54

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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.