Home / 765,333.16-1,055,806.36-493,488.37

Finding the Fourth Proportional to 765,333.16, 1,055,806.36 and 493,488.37

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Solution

The fourth proportional to 765,333.16, 1,055,806.36 and 493,488.37 is: 680,786.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    765,333.16 : 1,055,806.36 = 493,488.37 : x
  2. Step 2: Convert to fraction form
    765,333.16/1,055,806.36 = 493,488.37/x
  3. Step 3: Cross multiply
    765,333.16x = 1,055,806.36 × 493,488.37
  4. Step 4: Simplify right side
    765,333.16x = 521,028,156,555.03
  5. Step 5: Solve for x
    x = 521,028,156,555.03/765,333.16
  6. Step 6: Final answer
    x = 680,786.08

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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.