Home / 401,542.20-602,313.30-307,063.80

Finding the Fourth Proportional to 401,542.20, 602,313.30 and 307,063.80

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Solution

The fourth proportional to 401,542.20, 602,313.30 and 307,063.80 is: 460,595.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,542.20 : 602,313.30 = 307,063.80 : x
  2. Step 2: Convert to fraction form
    401,542.20/602,313.30 = 307,063.80/x
  3. Step 3: Cross multiply
    401,542.20x = 602,313.30 × 307,063.80
  4. Step 4: Simplify right side
    401,542.20x = 184,948,610,688.54
  5. Step 5: Solve for x
    x = 184,948,610,688.54/401,542.20
  6. Step 6: Final answer
    x = 460,595.70

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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.