Home / 814,982.40-1,124,792.67-488,308.32

Finding the Fourth Proportional to 814,982.40, 1,124,792.67 and 488,308.32

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Solution

The fourth proportional to 814,982.40, 1,124,792.67 and 488,308.32 is: 673,935.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,982.40 : 1,124,792.67 = 488,308.32 : x
  2. Step 2: Convert to fraction form
    814,982.40/1,124,792.67 = 488,308.32/x
  3. Step 3: Cross multiply
    814,982.40x = 1,124,792.67 × 488,308.32
  4. Step 4: Simplify right side
    814,982.40x = 549,245,619,036.01
  5. Step 5: Solve for x
    x = 549,245,619,036.01/814,982.40
  6. Step 6: Final answer
    x = 673,935.56

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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.