Home / 762,147.02-1,142,223.93-312,341.27

Finding the Fourth Proportional to 762,147.02, 1,142,223.93 and 312,341.27

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Solution

The fourth proportional to 762,147.02, 1,142,223.93 and 312,341.27 is: 468,103.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,147.02 : 1,142,223.93 = 312,341.27 : x
  2. Step 2: Convert to fraction form
    762,147.02/1,142,223.93 = 312,341.27/x
  3. Step 3: Cross multiply
    762,147.02x = 1,142,223.93 × 312,341.27
  4. Step 4: Simplify right side
    762,147.02x = 356,763,667,209.47
  5. Step 5: Solve for x
    x = 356,763,667,209.47/762,147.02
  6. Step 6: Final answer
    x = 468,103.47

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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.