Home / 711,201.20-1,065,311.40-332,445.20

Finding the Fourth Proportional to 711,201.20, 1,065,311.40 and 332,445.20

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Solution

The fourth proportional to 711,201.20, 1,065,311.40 and 332,445.20 is: 497,971.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,201.20 : 1,065,311.40 = 332,445.20 : x
  2. Step 2: Convert to fraction form
    711,201.20/1,065,311.40 = 332,445.20/x
  3. Step 3: Cross multiply
    711,201.20x = 1,065,311.40 × 332,445.20
  4. Step 4: Simplify right side
    711,201.20x = 354,157,661,435.28
  5. Step 5: Solve for x
    x = 354,157,661,435.28/711,201.20
  6. Step 6: Final answer
    x = 497,971.12

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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.