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Finding the Fourth Proportional to 620,110.83, 930,075.53 and 295,825.71

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Solution

The fourth proportional to 620,110.83, 930,075.53 and 295,825.71 is: 443,695.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    620,110.83 : 930,075.53 = 295,825.71 : x
  2. Step 2: Convert to fraction form
    620,110.83/930,075.53 = 295,825.71/x
  3. Step 3: Cross multiply
    620,110.83x = 930,075.53 × 295,825.71
  4. Step 4: Simplify right side
    620,110.83x = 275,140,252,536.75
  5. Step 5: Solve for x
    x = 275,140,252,536.75/620,110.83
  6. Step 6: Final answer
    x = 443,695.29

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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.