Home / 879,905.80-1,320,296.10-347,444.20

Finding the Fourth Proportional to 879,905.80, 1,320,296.10 and 347,444.20

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Solution

The fourth proportional to 879,905.80, 1,320,296.10 and 347,444.20 is: 521,339.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,905.80 : 1,320,296.10 = 347,444.20 : x
  2. Step 2: Convert to fraction form
    879,905.80/1,320,296.10 = 347,444.20/x
  3. Step 3: Cross multiply
    879,905.80x = 1,320,296.10 × 347,444.20
  4. Step 4: Simplify right side
    879,905.80x = 458,729,222,227.62
  5. Step 5: Solve for x
    x = 458,729,222,227.62/879,905.80
  6. Step 6: Final answer
    x = 521,339.01

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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.