Home / 723,562.75-998,516.60-401,322.19

Finding the Fourth Proportional to 723,562.75, 998,516.60 and 401,322.19

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Solution

The fourth proportional to 723,562.75, 998,516.60 and 401,322.19 is: 553,824.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,562.75 : 998,516.60 = 401,322.19 : x
  2. Step 2: Convert to fraction form
    723,562.75/998,516.60 = 401,322.19/x
  3. Step 3: Cross multiply
    723,562.75x = 998,516.60 × 401,322.19
  4. Step 4: Simplify right side
    723,562.75x = 400,726,866,656.74
  5. Step 5: Solve for x
    x = 400,726,866,656.74/723,562.75
  6. Step 6: Final answer
    x = 553,824.62

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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.