Home / 821,166.79-1,133,129.20-458,582.87

Finding the Fourth Proportional to 821,166.79, 1,133,129.20 and 458,582.87

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Solution

The fourth proportional to 821,166.79, 1,133,129.20 and 458,582.87 is: 632,799.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    821,166.79 : 1,133,129.20 = 458,582.87 : x
  2. Step 2: Convert to fraction form
    821,166.79/1,133,129.20 = 458,582.87/x
  3. Step 3: Cross multiply
    821,166.79x = 1,133,129.20 × 458,582.87
  4. Step 4: Simplify right side
    821,166.79x = 519,633,636,789.16
  5. Step 5: Solve for x
    x = 519,633,636,789.16/821,166.79
  6. Step 6: Final answer
    x = 632,799.14

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1.5x scale

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.