Home / 557,938.64-769,949.88-303,274.64

Finding the Fourth Proportional to 557,938.64, 769,949.88 and 303,274.64

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Solution

The fourth proportional to 557,938.64, 769,949.88 and 303,274.64 is: 418,516.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,938.64 : 769,949.88 = 303,274.64 : x
  2. Step 2: Convert to fraction form
    557,938.64/769,949.88 = 303,274.64/x
  3. Step 3: Cross multiply
    557,938.64x = 769,949.88 × 303,274.64
  4. Step 4: Simplify right side
    557,938.64x = 233,506,272,675.04
  5. Step 5: Solve for x
    x = 233,506,272,675.04/557,938.64
  6. Step 6: Final answer
    x = 418,516.04

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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.