Home / 891,854.42-1,337,280.03-292,765.37

Finding the Fourth Proportional to 891,854.42, 1,337,280.03 and 292,765.37

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Solution

The fourth proportional to 891,854.42, 1,337,280.03 and 292,765.37 is: 438,983.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,854.42 : 1,337,280.03 = 292,765.37 : x
  2. Step 2: Convert to fraction form
    891,854.42/1,337,280.03 = 292,765.37/x
  3. Step 3: Cross multiply
    891,854.42x = 1,337,280.03 × 292,765.37
  4. Step 4: Simplify right side
    891,854.42x = 391,509,276,090.16
  5. Step 5: Solve for x
    x = 391,509,276,090.16/891,854.42
  6. Step 6: Final answer
    x = 438,983.39

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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.