Home / 998,345.72-1,498,192.38-391,058.70

Finding the Fourth Proportional to 998,345.72, 1,498,192.38 and 391,058.70

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Solution

The fourth proportional to 998,345.72, 1,498,192.38 and 391,058.70 is: 586,851.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    998,345.72 : 1,498,192.38 = 391,058.70 : x
  2. Step 2: Convert to fraction form
    998,345.72/1,498,192.38 = 391,058.70/x
  3. Step 3: Cross multiply
    998,345.72x = 1,498,192.38 × 391,058.70
  4. Step 4: Simplify right side
    998,345.72x = 585,881,167,952.27
  5. Step 5: Solve for x
    x = 585,881,167,952.27/998,345.72
  6. Step 6: Final answer
    x = 586,851.99

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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.