Home / 881,018.29-1,215,707.74-488,541.38

Finding the Fourth Proportional to 881,018.29, 1,215,707.74 and 488,541.38

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Solution

The fourth proportional to 881,018.29, 1,215,707.74 and 488,541.38 is: 674,133.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    881,018.29 : 1,215,707.74 = 488,541.38 : x
  2. Step 2: Convert to fraction form
    881,018.29/1,215,707.74 = 488,541.38/x
  3. Step 3: Cross multiply
    881,018.29x = 1,215,707.74 × 488,541.38
  4. Step 4: Simplify right side
    881,018.29x = 593,923,534,533.57
  5. Step 5: Solve for x
    x = 593,923,534,533.57/881,018.29
  6. Step 6: Final answer
    x = 674,133.04

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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.