Home / 723,314.40-998,233.04-401,125.60

Finding the Fourth Proportional to 723,314.40, 998,233.04 and 401,125.60

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Solution

The fourth proportional to 723,314.40, 998,233.04 and 401,125.60 is: 553,586.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,314.40 : 998,233.04 = 401,125.60 : x
  2. Step 2: Convert to fraction form
    723,314.40/998,233.04 = 401,125.60/x
  3. Step 3: Cross multiply
    723,314.40x = 998,233.04 × 401,125.60
  4. Step 4: Simplify right side
    723,314.40x = 400,416,827,109.82
  5. Step 5: Solve for x
    x = 400,416,827,109.82/723,314.40
  6. Step 6: Final answer
    x = 553,586.14

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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.