Home / 901,010.58-1,243,271.59-538,357.78

Finding the Fourth Proportional to 901,010.58, 1,243,271.59 and 538,357.78

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Solution

The fourth proportional to 901,010.58, 1,243,271.59 and 538,357.78 is: 742,860.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    901,010.58 : 1,243,271.59 = 538,357.78 : x
  2. Step 2: Convert to fraction form
    901,010.58/1,243,271.59 = 538,357.78/x
  3. Step 3: Cross multiply
    901,010.58x = 1,243,271.59 × 538,357.78
  4. Step 4: Simplify right side
    901,010.58x = 669,324,933,129.47
  5. Step 5: Solve for x
    x = 669,324,933,129.47/901,010.58
  6. Step 6: Final answer
    x = 742,860.24

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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.