Home / 778,058.54-1,166,106.09-417,334.76

Finding the Fourth Proportional to 778,058.54, 1,166,106.09 and 417,334.76

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Solution

The fourth proportional to 778,058.54, 1,166,106.09 and 417,334.76 is: 625,475.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,058.54 : 1,166,106.09 = 417,334.76 : x
  2. Step 2: Convert to fraction form
    778,058.54/1,166,106.09 = 417,334.76/x
  3. Step 3: Cross multiply
    778,058.54x = 1,166,106.09 × 417,334.76
  4. Step 4: Simplify right side
    778,058.54x = 486,656,605,204.69
  5. Step 5: Solve for x
    x = 486,656,605,204.69/778,058.54
  6. Step 6: Final answer
    x = 625,475.57

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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.