Home / 723,749.04-998,754.36-417,815.06

Finding the Fourth Proportional to 723,749.04, 998,754.36 and 417,815.06

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Solution

The fourth proportional to 723,749.04, 998,754.36 and 417,815.06 is: 576,573.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,749.04 : 998,754.36 = 417,815.06 : x
  2. Step 2: Convert to fraction form
    723,749.04/998,754.36 = 417,815.06/x
  3. Step 3: Cross multiply
    723,749.04x = 998,754.36 × 417,815.06
  4. Step 4: Simplify right side
    723,749.04x = 417,294,612,848.66
  5. Step 5: Solve for x
    x = 417,294,612,848.66/723,749.04
  6. Step 6: Final answer
    x = 576,573.63

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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.