Home / 470,972.69-649,959.38-269,807.57

Finding the Fourth Proportional to 470,972.69, 649,959.38 and 269,807.57

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Solution

The fourth proportional to 470,972.69, 649,959.38 and 269,807.57 is: 372,344.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,972.69 : 649,959.38 = 269,807.57 : x
  2. Step 2: Convert to fraction form
    470,972.69/649,959.38 = 269,807.57/x
  3. Step 3: Cross multiply
    470,972.69x = 649,959.38 × 269,807.57
  4. Step 4: Simplify right side
    470,972.69x = 175,363,959,567.47
  5. Step 5: Solve for x
    x = 175,363,959,567.47/470,972.69
  6. Step 6: Final answer
    x = 372,344.22

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1.5x scale

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.