Home / 646,460.94-892,116.06-374,686.47

Finding the Fourth Proportional to 646,460.94, 892,116.06 and 374,686.47

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Solution

The fourth proportional to 646,460.94, 892,116.06 and 374,686.47 is: 517,067.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,460.94 : 892,116.06 = 374,686.47 : x
  2. Step 2: Convert to fraction form
    646,460.94/892,116.06 = 374,686.47/x
  3. Step 3: Cross multiply
    646,460.94x = 892,116.06 × 374,686.47
  4. Step 4: Simplify right side
    646,460.94x = 334,263,817,351.71
  5. Step 5: Solve for x
    x = 334,263,817,351.71/646,460.94
  6. Step 6: Final answer
    x = 517,067.31

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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.