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Finding the Fourth Proportional to 555,085.81, 766,024.69 and 325,647.01

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Solution

The fourth proportional to 555,085.81, 766,024.69 and 325,647.01 is: 449,396.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,085.81 : 766,024.69 = 325,647.01 : x
  2. Step 2: Convert to fraction form
    555,085.81/766,024.69 = 325,647.01/x
  3. Step 3: Cross multiply
    555,085.81x = 766,024.69 × 325,647.01
  4. Step 4: Simplify right side
    555,085.81x = 249,453,644,426.32
  5. Step 5: Solve for x
    x = 249,453,644,426.32/555,085.81
  6. Step 6: Final answer
    x = 449,396.55

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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.