Home / 646,989.02-892,832.79-360,502.94

Finding the Fourth Proportional to 646,989.02, 892,832.79 and 360,502.94

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Solution

The fourth proportional to 646,989.02, 892,832.79 and 360,502.94 is: 497,487.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,989.02 : 892,832.79 = 360,502.94 : x
  2. Step 2: Convert to fraction form
    646,989.02/892,832.79 = 360,502.94/x
  3. Step 3: Cross multiply
    646,989.02x = 892,832.79 × 360,502.94
  4. Step 4: Simplify right side
    646,989.02x = 321,868,845,723.40
  5. Step 5: Solve for x
    x = 321,868,845,723.40/646,989.02
  6. Step 6: Final answer
    x = 497,487.34

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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.