Home / 638,445.02-957,949.64-334,766.66

Finding the Fourth Proportional to 638,445.02, 957,949.64 and 334,766.66

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Solution

The fourth proportional to 638,445.02, 957,949.64 and 334,766.66 is: 502,297.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    638,445.02 : 957,949.64 = 334,766.66 : x
  2. Step 2: Convert to fraction form
    638,445.02/957,949.64 = 334,766.66/x
  3. Step 3: Cross multiply
    638,445.02x = 957,949.64 × 334,766.66
  4. Step 4: Simplify right side
    638,445.02x = 320,689,601,431.00
  5. Step 5: Solve for x
    x = 320,689,601,431.00/638,445.02
  6. Step 6: Final answer
    x = 502,297.91

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.