Home / 513,750.48-708,942.96-281,130.24

Finding the Fourth Proportional to 513,750.48, 708,942.96 and 281,130.24

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Solution

The fourth proportional to 513,750.48, 708,942.96 and 281,130.24 is: 387,941.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    513,750.48 : 708,942.96 = 281,130.24 : x
  2. Step 2: Convert to fraction form
    513,750.48/708,942.96 = 281,130.24/x
  3. Step 3: Cross multiply
    513,750.48x = 708,942.96 × 281,130.24
  4. Step 4: Simplify right side
    513,750.48x = 199,305,304,491.11
  5. Step 5: Solve for x
    x = 199,305,304,491.11/513,750.48
  6. Step 6: Final answer
    x = 387,941.84

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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.