Home / 792,613.08-1,189,009.44-287,411.76

Finding the Fourth Proportional to 792,613.08, 1,189,009.44 and 287,411.76

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Solution

The fourth proportional to 792,613.08, 1,189,009.44 and 287,411.76 is: 431,150.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    792,613.08 : 1,189,009.44 = 287,411.76 : x
  2. Step 2: Convert to fraction form
    792,613.08/1,189,009.44 = 287,411.76/x
  3. Step 3: Cross multiply
    792,613.08x = 1,189,009.44 × 287,411.76
  4. Step 4: Simplify right side
    792,613.08x = 341,735,295,807.01
  5. Step 5: Solve for x
    x = 341,735,295,807.01/792,613.08
  6. Step 6: Final answer
    x = 431,150.21

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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.