Home / 723,619.34-998,656.02-401,433.24

Finding the Fourth Proportional to 723,619.34, 998,656.02 and 401,433.24

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Solution

The fourth proportional to 723,619.34, 998,656.02 and 401,433.24 is: 554,011.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,619.34 : 998,656.02 = 401,433.24 : x
  2. Step 2: Convert to fraction form
    723,619.34/998,656.02 = 401,433.24/x
  3. Step 3: Cross multiply
    723,619.34x = 998,656.02 × 401,433.24
  4. Step 4: Simplify right side
    723,619.34x = 400,893,721,754.11
  5. Step 5: Solve for x
    x = 400,893,721,754.11/723,619.34
  6. Step 6: Final answer
    x = 554,011.89

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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.