Home / 702,400.19-1,053,173.61-275,424.45

Finding the Fourth Proportional to 702,400.19, 1,053,173.61 and 275,424.45

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Solution

The fourth proportional to 702,400.19, 1,053,173.61 and 275,424.45 is: 412,969.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,400.19 : 1,053,173.61 = 275,424.45 : x
  2. Step 2: Convert to fraction form
    702,400.19/1,053,173.61 = 275,424.45/x
  3. Step 3: Cross multiply
    702,400.19x = 1,053,173.61 × 275,424.45
  4. Step 4: Simplify right side
    702,400.19x = 290,069,762,288.77
  5. Step 5: Solve for x
    x = 290,069,762,288.77/702,400.19
  6. Step 6: Final answer
    x = 412,969.37

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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.