Home / 747,417.69-1,120,583.43-298,003.77

Finding the Fourth Proportional to 747,417.69, 1,120,583.43 and 298,003.77

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Solution

The fourth proportional to 747,417.69, 1,120,583.43 and 298,003.77 is: 446,789.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,417.69 : 1,120,583.43 = 298,003.77 : x
  2. Step 2: Convert to fraction form
    747,417.69/1,120,583.43 = 298,003.77/x
  3. Step 3: Cross multiply
    747,417.69x = 1,120,583.43 × 298,003.77
  4. Step 4: Simplify right side
    747,417.69x = 333,938,086,739.53
  5. Step 5: Solve for x
    x = 333,938,086,739.53/747,417.69
  6. Step 6: Final answer
    x = 446,789.11

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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.