Home / 532,465.20-734,831.73-290,770.20

Finding the Fourth Proportional to 532,465.20, 734,831.73 and 290,770.20

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Solution

The fourth proportional to 532,465.20, 734,831.73 and 290,770.20 is: 401,279.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,465.20 : 734,831.73 = 290,770.20 : x
  2. Step 2: Convert to fraction form
    532,465.20/734,831.73 = 290,770.20/x
  3. Step 3: Cross multiply
    532,465.20x = 734,831.73 × 290,770.20
  4. Step 4: Simplify right side
    532,465.20x = 213,667,169,098.45
  5. Step 5: Solve for x
    x = 213,667,169,098.45/532,465.20
  6. Step 6: Final answer
    x = 401,279.12

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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.