Home / 969,783.24-1,338,313.98-540,074.19

Finding the Fourth Proportional to 969,783.24, 1,338,313.98 and 540,074.19

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Solution

The fourth proportional to 969,783.24, 1,338,313.98 and 540,074.19 is: 745,309.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    969,783.24 : 1,338,313.98 = 540,074.19 : x
  2. Step 2: Convert to fraction form
    969,783.24/1,338,313.98 = 540,074.19/x
  3. Step 3: Cross multiply
    969,783.24x = 1,338,313.98 × 540,074.19
  4. Step 4: Simplify right side
    969,783.24x = 722,788,838,714.18
  5. Step 5: Solve for x
    x = 722,788,838,714.18/969,783.24
  6. Step 6: Final answer
    x = 745,309.68

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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.