Home / 570,175.92-786,839.40-328,368.24

Finding the Fourth Proportional to 570,175.92, 786,839.40 and 328,368.24

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Solution

The fourth proportional to 570,175.92, 786,839.40 and 328,368.24 is: 453,146.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,175.92 : 786,839.40 = 328,368.24 : x
  2. Step 2: Convert to fraction form
    570,175.92/786,839.40 = 328,368.24/x
  3. Step 3: Cross multiply
    570,175.92x = 786,839.40 × 328,368.24
  4. Step 4: Simplify right side
    570,175.92x = 258,373,068,940.66
  5. Step 5: Solve for x
    x = 258,373,068,940.66/570,175.92
  6. Step 6: Final answer
    x = 453,146.23

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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.