Home / 901,253.48-1,243,731.35-493,355.57

Finding the Fourth Proportional to 901,253.48, 1,243,731.35 and 493,355.57

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Solution

The fourth proportional to 901,253.48, 1,243,731.35 and 493,355.57 is: 680,831.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    901,253.48 : 1,243,731.35 = 493,355.57 : x
  2. Step 2: Convert to fraction form
    901,253.48/1,243,731.35 = 493,355.57/x
  3. Step 3: Cross multiply
    901,253.48x = 1,243,731.35 × 493,355.57
  4. Step 4: Simplify right side
    901,253.48x = 613,601,789,106.12
  5. Step 5: Solve for x
    x = 613,601,789,106.12/901,253.48
  6. Step 6: Final answer
    x = 680,831.53

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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.