Home / 790,500.32-1,090,617.84-446,293.28

Finding the Fourth Proportional to 790,500.32, 1,090,617.84 and 446,293.28

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Solution

The fourth proportional to 790,500.32, 1,090,617.84 and 446,293.28 is: 615,730.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,500.32 : 1,090,617.84 = 446,293.28 : x
  2. Step 2: Convert to fraction form
    790,500.32/1,090,617.84 = 446,293.28/x
  3. Step 3: Cross multiply
    790,500.32x = 1,090,617.84 × 446,293.28
  4. Step 4: Simplify right side
    790,500.32x = 486,735,413,040.12
  5. Step 5: Solve for x
    x = 486,735,413,040.12/790,500.32
  6. Step 6: Final answer
    x = 615,730.82

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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.