Home / 679,051.84-1,017,027.52-324,315.84

Finding the Fourth Proportional to 679,051.84, 1,017,027.52 and 324,315.84

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Solution

The fourth proportional to 679,051.84, 1,017,027.52 and 324,315.84 is: 485,733.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,051.84 : 1,017,027.52 = 324,315.84 : x
  2. Step 2: Convert to fraction form
    679,051.84/1,017,027.52 = 324,315.84/x
  3. Step 3: Cross multiply
    679,051.84x = 1,017,027.52 × 324,315.84
  4. Step 4: Simplify right side
    679,051.84x = 329,838,134,451.92
  5. Step 5: Solve for x
    x = 329,838,134,451.92/679,051.84
  6. Step 6: Final answer
    x = 485,733.36

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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.