Home / 644,719.52-889,695.27-358,232.24

Finding the Fourth Proportional to 644,719.52, 889,695.27 and 358,232.24

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Solution

The fourth proportional to 644,719.52, 889,695.27 and 358,232.24 is: 494,350.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,719.52 : 889,695.27 = 358,232.24 : x
  2. Step 2: Convert to fraction form
    644,719.52/889,695.27 = 358,232.24/x
  3. Step 3: Cross multiply
    644,719.52x = 889,695.27 × 358,232.24
  4. Step 4: Simplify right side
    644,719.52x = 318,717,525,041.03
  5. Step 5: Solve for x
    x = 318,717,525,041.03/644,719.52
  6. Step 6: Final answer
    x = 494,350.67

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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.