Home / 901,235.54-1,243,619.98-538,587.20

Finding the Fourth Proportional to 901,235.54, 1,243,619.98 and 538,587.20

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Solution

The fourth proportional to 901,235.54, 1,243,619.98 and 538,587.20 is: 743,199.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    901,235.54 : 1,243,619.98 = 538,587.20 : x
  2. Step 2: Convert to fraction form
    901,235.54/1,243,619.98 = 538,587.20/x
  3. Step 3: Cross multiply
    901,235.54x = 1,243,619.98 × 538,587.20
  4. Step 4: Simplify right side
    901,235.54x = 669,797,795,327.69
  5. Step 5: Solve for x
    x = 669,797,795,327.69/901,235.54
  6. Step 6: Final answer
    x = 743,199.50

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Double scale
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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.