Home / 715,126.06-1,072,675.02-288,650.56

Finding the Fourth Proportional to 715,126.06, 1,072,675.02 and 288,650.56

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Solution

The fourth proportional to 715,126.06, 1,072,675.02 and 288,650.56 is: 432,970.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    715,126.06 : 1,072,675.02 = 288,650.56 : x
  2. Step 2: Convert to fraction form
    715,126.06/1,072,675.02 = 288,650.56/x
  3. Step 3: Cross multiply
    715,126.06x = 1,072,675.02 × 288,650.56
  4. Step 4: Simplify right side
    715,126.06x = 309,628,245,221.01
  5. Step 5: Solve for x
    x = 309,628,245,221.01/715,126.06
  6. Step 6: Final answer
    x = 432,970.16

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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.