Home / 849,339.20-1,274,008.80-343,899.20

Finding the Fourth Proportional to 849,339.20, 1,274,008.80 and 343,899.20

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Solution

The fourth proportional to 849,339.20, 1,274,008.80 and 343,899.20 is: 515,848.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,339.20 : 1,274,008.80 = 343,899.20 : x
  2. Step 2: Convert to fraction form
    849,339.20/1,274,008.80 = 343,899.20/x
  3. Step 3: Cross multiply
    849,339.20x = 1,274,008.80 × 343,899.20
  4. Step 4: Simplify right side
    849,339.20x = 438,130,607,112.96
  5. Step 5: Solve for x
    x = 438,130,607,112.96/849,339.20
  6. Step 6: Final answer
    x = 515,848.80

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1.5x scale

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.