Home / 711,384.40-1,065,891.76-500,579.44

Finding the Fourth Proportional to 711,384.40, 1,065,891.76 and 500,579.44

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Solution

The fourth proportional to 711,384.40, 1,065,891.76 and 500,579.44 is: 750,035.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,384.40 : 1,065,891.76 = 500,579.44 : x
  2. Step 2: Convert to fraction form
    711,384.40/1,065,891.76 = 500,579.44/x
  3. Step 3: Cross multiply
    711,384.40x = 1,065,891.76 × 500,579.44
  4. Step 4: Simplify right side
    711,384.40x = 533,563,500,321.41
  5. Step 5: Solve for x
    x = 533,563,500,321.41/711,384.40
  6. Step 6: Final answer
    x = 750,035.42

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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.