Home / 830,353.55-1,245,530.33-823,355.15

Finding the Fourth Proportional to 830,353.55, 1,245,530.33 and 823,355.15

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Solution

The fourth proportional to 830,353.55, 1,245,530.33 and 823,355.15 is: 1,235,032.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,353.55 : 1,245,530.33 = 823,355.15 : x
  2. Step 2: Convert to fraction form
    830,353.55/1,245,530.33 = 823,355.15/x
  3. Step 3: Cross multiply
    830,353.55x = 1,245,530.33 × 823,355.15
  4. Step 4: Simplify right side
    830,353.55x = 1,025,513,807,569.92
  5. Step 5: Solve for x
    x = 1,025,513,807,569.92/830,353.55
  6. Step 6: Final answer
    x = 1,235,032.73

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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.