Home / 660,262.20-990,013.44-352,134.06

Finding the Fourth Proportional to 660,262.20, 990,013.44 and 352,134.06

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Solution

The fourth proportional to 660,262.20, 990,013.44 and 352,134.06 is: 527,998.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    660,262.20 : 990,013.44 = 352,134.06 : x
  2. Step 2: Convert to fraction form
    660,262.20/990,013.44 = 352,134.06/x
  3. Step 3: Cross multiply
    660,262.20x = 990,013.44 × 352,134.06
  4. Step 4: Simplify right side
    660,262.20x = 348,617,452,081.77
  5. Step 5: Solve for x
    x = 348,617,452,081.77/660,262.20
  6. Step 6: Final answer
    x = 527,998.50

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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.