Home / 767,250.63-1,151,585.78-388,437.53

Finding the Fourth Proportional to 767,250.63, 1,151,585.78 and 388,437.53

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Solution

The fourth proportional to 767,250.63, 1,151,585.78 and 388,437.53 is: 583,015.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,250.63 : 1,151,585.78 = 388,437.53 : x
  2. Step 2: Convert to fraction form
    767,250.63/1,151,585.78 = 388,437.53/x
  3. Step 3: Cross multiply
    767,250.63x = 1,151,585.78 × 388,437.53
  4. Step 4: Simplify right side
    767,250.63x = 447,319,128,266.21
  5. Step 5: Solve for x
    x = 447,319,128,266.21/767,250.63
  6. Step 6: Final answer
    x = 583,015.65

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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.