Home / 722,493.20-1,084,776.60-407,565.20

Finding the Fourth Proportional to 722,493.20, 1,084,776.60 and 407,565.20

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Solution

The fourth proportional to 722,493.20, 1,084,776.60 and 407,565.20 is: 611,932.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    722,493.20 : 1,084,776.60 = 407,565.20 : x
  2. Step 2: Convert to fraction form
    722,493.20/1,084,776.60 = 407,565.20/x
  3. Step 3: Cross multiply
    722,493.20x = 1,084,776.60 × 407,565.20
  4. Step 4: Simplify right side
    722,493.20x = 442,117,191,934.32
  5. Step 5: Solve for x
    x = 442,117,191,934.32/722,493.20
  6. Step 6: Final answer
    x = 611,932.67

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1.5x scale

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.