Home / 711,784.20-982,232.80-425,462.16

Finding the Fourth Proportional to 711,784.20, 982,232.80 and 425,462.16

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Solution

The fourth proportional to 711,784.20, 982,232.80 and 425,462.16 is: 587,120.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,784.20 : 982,232.80 = 425,462.16 : x
  2. Step 2: Convert to fraction form
    711,784.20/982,232.80 = 425,462.16/x
  3. Step 3: Cross multiply
    711,784.20x = 982,232.80 × 425,462.16
  4. Step 4: Simplify right side
    711,784.20x = 417,902,888,710.85
  5. Step 5: Solve for x
    x = 417,902,888,710.85/711,784.20
  6. Step 6: Final answer
    x = 587,120.21

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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.