Home / 937,316.21-1,292,778.73-647,412.93

Finding the Fourth Proportional to 937,316.21, 1,292,778.73 and 647,412.93

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Solution

The fourth proportional to 937,316.21, 1,292,778.73 and 647,412.93 is: 892,934.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    937,316.21 : 1,292,778.73 = 647,412.93 : x
  2. Step 2: Convert to fraction form
    937,316.21/1,292,778.73 = 647,412.93/x
  3. Step 3: Cross multiply
    937,316.21x = 1,292,778.73 × 647,412.93
  4. Step 4: Simplify right side
    937,316.21x = 836,961,662,604.31
  5. Step 5: Solve for x
    x = 836,961,662,604.31/937,316.21
  6. Step 6: Final answer
    x = 892,934.16

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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.