Home / 940,430.39-1,297,819.67-553,273.07

Finding the Fourth Proportional to 940,430.39, 1,297,819.67 and 553,273.07

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Solution

The fourth proportional to 940,430.39, 1,297,819.67 and 553,273.07 is: 763,531.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    940,430.39 : 1,297,819.67 = 553,273.07 : x
  2. Step 2: Convert to fraction form
    940,430.39/1,297,819.67 = 553,273.07/x
  3. Step 3: Cross multiply
    940,430.39x = 1,297,819.67 × 553,273.07
  4. Step 4: Simplify right side
    940,430.39x = 718,048,663,871.82
  5. Step 5: Solve for x
    x = 718,048,663,871.82/940,430.39
  6. Step 6: Final answer
    x = 763,531.97

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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.