Home / 711,462.42-982,068.30-439,738.74

Finding the Fourth Proportional to 711,462.42, 982,068.30 and 439,738.74

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Solution

The fourth proportional to 711,462.42, 982,068.30 and 439,738.74 is: 606,994.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,462.42 : 982,068.30 = 439,738.74 : x
  2. Step 2: Convert to fraction form
    711,462.42/982,068.30 = 439,738.74/x
  3. Step 3: Cross multiply
    711,462.42x = 982,068.30 × 439,738.74
  4. Step 4: Simplify right side
    711,462.42x = 431,853,476,835.94
  5. Step 5: Solve for x
    x = 431,853,476,835.94/711,462.42
  6. Step 6: Final answer
    x = 606,994.08

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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.