Home / 602,259.08-831,140.78-330,338.43

Finding the Fourth Proportional to 602,259.08, 831,140.78 and 330,338.43

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Solution

The fourth proportional to 602,259.08, 831,140.78 and 330,338.43 is: 455,879.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,259.08 : 831,140.78 = 330,338.43 : x
  2. Step 2: Convert to fraction form
    602,259.08/831,140.78 = 330,338.43/x
  3. Step 3: Cross multiply
    602,259.08x = 831,140.78 × 330,338.43
  4. Step 4: Simplify right side
    602,259.08x = 274,557,738,722.48
  5. Step 5: Solve for x
    x = 274,557,738,722.48/602,259.08
  6. Step 6: Final answer
    x = 455,879.79

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1.5x scale

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.