Home / 646,518.15-892,203.80-360,045.45

Finding the Fourth Proportional to 646,518.15, 892,203.80 and 360,045.45

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Solution

The fourth proportional to 646,518.15, 892,203.80 and 360,045.45 is: 496,867.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,518.15 : 892,203.80 = 360,045.45 : x
  2. Step 2: Convert to fraction form
    646,518.15/892,203.80 = 360,045.45/x
  3. Step 3: Cross multiply
    646,518.15x = 892,203.80 × 360,045.45
  4. Step 4: Simplify right side
    646,518.15x = 321,233,916,862.48
  5. Step 5: Solve for x
    x = 321,233,916,862.48/646,518.15
  6. Step 6: Final answer
    x = 496,867.59

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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.