Home / 768,403.95-1,152,755.37-295,054.53

Finding the Fourth Proportional to 768,403.95, 1,152,755.37 and 295,054.53

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Solution

The fourth proportional to 768,403.95, 1,152,755.37 and 295,054.53 is: 442,639.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,403.95 : 1,152,755.37 = 295,054.53 : x
  2. Step 2: Convert to fraction form
    768,403.95/1,152,755.37 = 295,054.53/x
  3. Step 3: Cross multiply
    768,403.95x = 1,152,755.37 × 295,054.53
  4. Step 4: Simplify right side
    768,403.95x = 340,125,693,900.33
  5. Step 5: Solve for x
    x = 340,125,693,900.33/768,403.95
  6. Step 6: Final answer
    x = 442,639.18

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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.