Home / 715,311.81-986,719.73-446,573.25

Finding the Fourth Proportional to 715,311.81, 986,719.73 and 446,573.25

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Solution

The fourth proportional to 715,311.81, 986,719.73 and 446,573.25 is: 616,014.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    715,311.81 : 986,719.73 = 446,573.25 : x
  2. Step 2: Convert to fraction form
    715,311.81/986,719.73 = 446,573.25/x
  3. Step 3: Cross multiply
    715,311.81x = 986,719.73 × 446,573.25
  4. Step 4: Simplify right side
    715,311.81x = 440,642,634,432.36
  5. Step 5: Solve for x
    x = 440,642,634,432.36/715,311.81
  6. Step 6: Final answer
    x = 616,014.76

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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.