Home / 901,400.58-1,243,947.51-493,495.59

Finding the Fourth Proportional to 901,400.58, 1,243,947.51 and 493,495.59

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Solution

The fourth proportional to 901,400.58, 1,243,947.51 and 493,495.59 is: 681,031.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    901,400.58 : 1,243,947.51 = 493,495.59 : x
  2. Step 2: Convert to fraction form
    901,400.58/1,243,947.51 = 493,495.59/x
  3. Step 3: Cross multiply
    901,400.58x = 1,243,947.51 × 493,495.59
  4. Step 4: Simplify right side
    901,400.58x = 613,882,610,376.48
  5. Step 5: Solve for x
    x = 613,882,610,376.48/901,400.58
  6. Step 6: Final answer
    x = 681,031.97

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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.