Home / 772,122.57-1,158,338.76-266,702.01

Finding the Fourth Proportional to 772,122.57, 1,158,338.76 and 266,702.01

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Solution

The fourth proportional to 772,122.57, 1,158,338.76 and 266,702.01 is: 400,106.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,122.57 : 1,158,338.76 = 266,702.01 : x
  2. Step 2: Convert to fraction form
    772,122.57/1,158,338.76 = 266,702.01/x
  3. Step 3: Cross multiply
    772,122.57x = 1,158,338.76 × 266,702.01
  4. Step 4: Simplify right side
    772,122.57x = 308,931,275,552.91
  5. Step 5: Solve for x
    x = 308,931,275,552.91/772,122.57
  6. Step 6: Final answer
    x = 400,106.52

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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.