Home / 661,976.52-913,527.56-360,172.68

Finding the Fourth Proportional to 661,976.52, 913,527.56 and 360,172.68

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Solution

The fourth proportional to 661,976.52, 913,527.56 and 360,172.68 is: 497,038.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    661,976.52 : 913,527.56 = 360,172.68 : x
  2. Step 2: Convert to fraction form
    661,976.52/913,527.56 = 360,172.68/x
  3. Step 3: Cross multiply
    661,976.52x = 913,527.56 × 360,172.68
  4. Step 4: Simplify right side
    661,976.52x = 329,027,669,539.06
  5. Step 5: Solve for x
    x = 329,027,669,539.06/661,976.52
  6. Step 6: Final answer
    x = 497,038.28

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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.