Home / 646,761.36-892,557.56-360,281.36

Finding the Fourth Proportional to 646,761.36, 892,557.56 and 360,281.36

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Solution

The fourth proportional to 646,761.36, 892,557.56 and 360,281.36 is: 497,203.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,761.36 : 892,557.56 = 360,281.36 : x
  2. Step 2: Convert to fraction form
    646,761.36/892,557.56 = 360,281.36/x
  3. Step 3: Cross multiply
    646,761.36x = 892,557.56 × 360,281.36
  4. Step 4: Simplify right side
    646,761.36x = 321,571,851,595.08
  5. Step 5: Solve for x
    x = 321,571,851,595.08/646,761.36
  6. Step 6: Final answer
    x = 497,203.25

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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.