Home / 470,180.42-648,952.31-309,050.47

Finding the Fourth Proportional to 470,180.42, 648,952.31 and 309,050.47

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Solution

The fourth proportional to 470,180.42, 648,952.31 and 309,050.47 is: 426,557.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,180.42 : 648,952.31 = 309,050.47 : x
  2. Step 2: Convert to fraction form
    470,180.42/648,952.31 = 309,050.47/x
  3. Step 3: Cross multiply
    470,180.42x = 648,952.31 × 309,050.47
  4. Step 4: Simplify right side
    470,180.42x = 200,559,011,623.07
  5. Step 5: Solve for x
    x = 200,559,011,623.07/470,180.42
  6. Step 6: Final answer
    x = 426,557.56

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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.