Home / 772,003.74-1,065,334.02-427,844.70

Finding the Fourth Proportional to 772,003.74, 1,065,334.02 and 427,844.70

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Solution

The fourth proportional to 772,003.74, 1,065,334.02 and 427,844.70 is: 590,408.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,003.74 : 1,065,334.02 = 427,844.70 : x
  2. Step 2: Convert to fraction form
    772,003.74/1,065,334.02 = 427,844.70/x
  3. Step 3: Cross multiply
    772,003.74x = 1,065,334.02 × 427,844.70
  4. Step 4: Simplify right side
    772,003.74x = 455,797,514,186.69
  5. Step 5: Solve for x
    x = 455,797,514,186.69/772,003.74
  6. Step 6: Final answer
    x = 590,408.43

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1.5x scale

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.