Home / 972,712.64-1,459,013.88-262,687.16

Finding the Fourth Proportional to 972,712.64, 1,459,013.88 and 262,687.16

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Solution

The fourth proportional to 972,712.64, 1,459,013.88 and 262,687.16 is: 394,015.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    972,712.64 : 1,459,013.88 = 262,687.16 : x
  2. Step 2: Convert to fraction form
    972,712.64/1,459,013.88 = 262,687.16/x
  3. Step 3: Cross multiply
    972,712.64x = 1,459,013.88 × 262,687.16
  4. Step 4: Simplify right side
    972,712.64x = 383,264,212,537.78
  5. Step 5: Solve for x
    x = 383,264,212,537.78/972,712.64
  6. Step 6: Final answer
    x = 394,015.87

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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.