Home / 508,749.02-701,931.39-317,956.22

Finding the Fourth Proportional to 508,749.02, 701,931.39 and 317,956.22

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Solution

The fourth proportional to 508,749.02, 701,931.39 and 317,956.22 is: 438,690.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,749.02 : 701,931.39 = 317,956.22 : x
  2. Step 2: Convert to fraction form
    508,749.02/701,931.39 = 317,956.22/x
  3. Step 3: Cross multiply
    508,749.02x = 701,931.39 × 317,956.22
  4. Step 4: Simplify right side
    508,749.02x = 223,183,451,463.75
  5. Step 5: Solve for x
    x = 223,183,451,463.75/508,749.02
  6. Step 6: Final answer
    x = 438,690.68

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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.