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Finding the Fourth Proportional to 552,568.60, 826,779.30 and 502,802.20

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Solution

The fourth proportional to 552,568.60, 826,779.30 and 502,802.20 is: 752,316.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,568.60 : 826,779.30 = 502,802.20 : x
  2. Step 2: Convert to fraction form
    552,568.60/826,779.30 = 502,802.20/x
  3. Step 3: Cross multiply
    552,568.60x = 826,779.30 × 502,802.20
  4. Step 4: Simplify right side
    552,568.60x = 415,706,450,954.46
  5. Step 5: Solve for x
    x = 415,706,450,954.46/552,568.60
  6. Step 6: Final answer
    x = 752,316.46

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.