Home / 548,670.39-757,424.03-412,756.20

Finding the Fourth Proportional to 548,670.39, 757,424.03 and 412,756.20

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Solution

The fourth proportional to 548,670.39, 757,424.03 and 412,756.20 is: 569,798.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,670.39 : 757,424.03 = 412,756.20 : x
  2. Step 2: Convert to fraction form
    548,670.39/757,424.03 = 412,756.20/x
  3. Step 3: Cross multiply
    548,670.39x = 757,424.03 × 412,756.20
  4. Step 4: Simplify right side
    548,670.39x = 312,631,462,347.71
  5. Step 5: Solve for x
    x = 312,631,462,347.71/548,670.39
  6. Step 6: Final answer
    x = 569,798.31

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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.