Home / 778,059.54-1,166,107.59-417,335.76

Finding the Fourth Proportional to 778,059.54, 1,166,107.59 and 417,335.76

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Solution

The fourth proportional to 778,059.54, 1,166,107.59 and 417,335.76 is: 625,477.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,059.54 : 1,166,107.59 = 417,335.76 : x
  2. Step 2: Convert to fraction form
    778,059.54/1,166,107.59 = 417,335.76/x
  3. Step 3: Cross multiply
    778,059.54x = 1,166,107.59 × 417,335.76
  4. Step 4: Simplify right side
    778,059.54x = 486,658,397,314.42
  5. Step 5: Solve for x
    x = 486,658,397,314.42/778,059.54
  6. Step 6: Final answer
    x = 625,477.06

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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.