Home / 980,326.37-1,352,691.32-612,760.01

Finding the Fourth Proportional to 980,326.37, 1,352,691.32 and 612,760.01

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Solution

The fourth proportional to 980,326.37, 1,352,691.32 and 612,760.01 is: 845,509.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    980,326.37 : 1,352,691.32 = 612,760.01 : x
  2. Step 2: Convert to fraction form
    980,326.37/1,352,691.32 = 612,760.01/x
  3. Step 3: Cross multiply
    980,326.37x = 1,352,691.32 × 612,760.01
  4. Step 4: Simplify right side
    980,326.37x = 828,875,136,942.86
  5. Step 5: Solve for x
    x = 828,875,136,942.86/980,326.37
  6. Step 6: Final answer
    x = 845,509.37

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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.