Home / 845,867.16-1,269,296.46-340,349.40

Finding the Fourth Proportional to 845,867.16, 1,269,296.46 and 340,349.40

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Solution

The fourth proportional to 845,867.16, 1,269,296.46 and 340,349.40 is: 510,723.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    845,867.16 : 1,269,296.46 = 340,349.40 : x
  2. Step 2: Convert to fraction form
    845,867.16/1,269,296.46 = 340,349.40/x
  3. Step 3: Cross multiply
    845,867.16x = 1,269,296.46 × 340,349.40
  4. Step 4: Simplify right side
    845,867.16x = 432,004,288,583.12
  5. Step 5: Solve for x
    x = 432,004,288,583.12/845,867.16
  6. Step 6: Final answer
    x = 510,723.56

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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.