Home / 762,007.66-1,142,211.31-256,393.10

Finding the Fourth Proportional to 762,007.66, 1,142,211.31 and 256,393.10

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Solution

The fourth proportional to 762,007.66, 1,142,211.31 and 256,393.10 is: 384,320.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,007.66 : 1,142,211.31 = 256,393.10 : x
  2. Step 2: Convert to fraction form
    762,007.66/1,142,211.31 = 256,393.10/x
  3. Step 3: Cross multiply
    762,007.66x = 1,142,211.31 × 256,393.10
  4. Step 4: Simplify right side
    762,007.66x = 292,855,100,840.51
  5. Step 5: Solve for x
    x = 292,855,100,840.51/762,007.66
  6. Step 6: Final answer
    x = 384,320.42

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1.5x scale

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.