Home / 723,219.44-997,950.60-400,926.64

Finding the Fourth Proportional to 723,219.44, 997,950.60 and 400,926.64

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Solution

The fourth proportional to 723,219.44, 997,950.60 and 400,926.64 is: 553,227.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,219.44 : 997,950.60 = 400,926.64 : x
  2. Step 2: Convert to fraction form
    723,219.44/997,950.60 = 400,926.64/x
  3. Step 3: Cross multiply
    723,219.44x = 997,950.60 × 400,926.64
  4. Step 4: Simplify right side
    723,219.44x = 400,104,980,943.98
  5. Step 5: Solve for x
    x = 400,104,980,943.98/723,219.44
  6. Step 6: Final answer
    x = 553,227.64

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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.