Home / 680,904.30-1,021,356.45-606,254.70

Finding the Fourth Proportional to 680,904.30, 1,021,356.45 and 606,254.70

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Solution

The fourth proportional to 680,904.30, 1,021,356.45 and 606,254.70 is: 909,382.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    680,904.30 : 1,021,356.45 = 606,254.70 : x
  2. Step 2: Convert to fraction form
    680,904.30/1,021,356.45 = 606,254.70/x
  3. Step 3: Cross multiply
    680,904.30x = 1,021,356.45 × 606,254.70
  4. Step 4: Simplify right side
    680,904.30x = 619,202,148,187.82
  5. Step 5: Solve for x
    x = 619,202,148,187.82/680,904.30
  6. Step 6: Final answer
    x = 909,382.05

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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.