Home / 646,291.44-889,934.45-608,417.46

Finding the Fourth Proportional to 646,291.44, 889,934.45 and 608,417.46

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Solution

The fourth proportional to 646,291.44, 889,934.45 and 608,417.46 is: 837,782.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,291.44 : 889,934.45 = 608,417.46 : x
  2. Step 2: Convert to fraction form
    646,291.44/889,934.45 = 608,417.46/x
  3. Step 3: Cross multiply
    646,291.44x = 889,934.45 × 608,417.46
  4. Step 4: Simplify right side
    646,291.44x = 541,451,654,593.41
  5. Step 5: Solve for x
    x = 541,451,654,593.41/646,291.44
  6. Step 6: Final answer
    x = 837,782.49

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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.