Home / 991,360.02-1,487,072.38-471,922.56

Finding the Fourth Proportional to 991,360.02, 1,487,072.38 and 471,922.56

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Solution

The fourth proportional to 991,360.02, 1,487,072.38 and 471,922.56 is: 707,899.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    991,360.02 : 1,487,072.38 = 471,922.56 : x
  2. Step 2: Convert to fraction form
    991,360.02/1,487,072.38 = 471,922.56/x
  3. Step 3: Cross multiply
    991,360.02x = 1,487,072.38 × 471,922.56
  4. Step 4: Simplify right side
    991,360.02x = 701,783,004,474.89
  5. Step 5: Solve for x
    x = 701,783,004,474.89/991,360.02
  6. Step 6: Final answer
    x = 707,899.24

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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.