Home / 991,256.64-1,367,849.13-549,743.87

Finding the Fourth Proportional to 991,256.64, 1,367,849.13 and 549,743.87

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Solution

The fourth proportional to 991,256.64, 1,367,849.13 and 549,743.87 is: 758,599.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    991,256.64 : 1,367,849.13 = 549,743.87 : x
  2. Step 2: Convert to fraction form
    991,256.64/1,367,849.13 = 549,743.87/x
  3. Step 3: Cross multiply
    991,256.64x = 1,367,849.13 × 549,743.87
  4. Step 4: Simplify right side
    991,256.64x = 751,966,667,463.09
  5. Step 5: Solve for x
    x = 751,966,667,463.09/991,256.64
  6. Step 6: Final answer
    x = 758,599.37

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.