Home / 916,246.89-1,264,377.87-508,344.39

Finding the Fourth Proportional to 916,246.89, 1,264,377.87 and 508,344.39

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Solution

The fourth proportional to 916,246.89, 1,264,377.87 and 508,344.39 is: 701,491.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,246.89 : 1,264,377.87 = 508,344.39 : x
  2. Step 2: Convert to fraction form
    916,246.89/1,264,377.87 = 508,344.39/x
  3. Step 3: Cross multiply
    916,246.89x = 1,264,377.87 × 508,344.39
  4. Step 4: Simplify right side
    916,246.89x = 642,739,397,054.65
  5. Step 5: Solve for x
    x = 642,739,397,054.65/916,246.89
  6. Step 6: Final answer
    x = 701,491.49

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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.