Home / 969,797.92-1,338,317.76-540,083.20

Finding the Fourth Proportional to 969,797.92, 1,338,317.76 and 540,083.20

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Solution

The fourth proportional to 969,797.92, 1,338,317.76 and 540,083.20 is: 745,312.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    969,797.92 : 1,338,317.76 = 540,083.20 : x
  2. Step 2: Convert to fraction form
    969,797.92/1,338,317.76 = 540,083.20/x
  3. Step 3: Cross multiply
    969,797.92x = 1,338,317.76 × 540,083.20
  4. Step 4: Simplify right side
    969,797.92x = 722,802,938,437.63
  5. Step 5: Solve for x
    x = 722,802,938,437.63/969,797.92
  6. Step 6: Final answer
    x = 745,312.94

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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.