Home / 947,018.61-1,306,837.67-517,216.41

Finding the Fourth Proportional to 947,018.61, 1,306,837.67 and 517,216.41

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Solution

The fourth proportional to 947,018.61, 1,306,837.67 and 517,216.41 is: 713,732.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    947,018.61 : 1,306,837.67 = 517,216.41 : x
  2. Step 2: Convert to fraction form
    947,018.61/1,306,837.67 = 517,216.41/x
  3. Step 3: Cross multiply
    947,018.61x = 1,306,837.67 × 517,216.41
  4. Step 4: Simplify right side
    947,018.61x = 675,917,885,544.08
  5. Step 5: Solve for x
    x = 675,917,885,544.08/947,018.61
  6. Step 6: Final answer
    x = 713,732.42

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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.