Home / 762,171.52-1,143,700.08-341,447.40

Finding the Fourth Proportional to 762,171.52, 1,143,700.08 and 341,447.40

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Solution

The fourth proportional to 762,171.52, 1,143,700.08 and 341,447.40 is: 512,369.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,171.52 : 1,143,700.08 = 341,447.40 : x
  2. Step 2: Convert to fraction form
    762,171.52/1,143,700.08 = 341,447.40/x
  3. Step 3: Cross multiply
    762,171.52x = 1,143,700.08 × 341,447.40
  4. Step 4: Simplify right side
    762,171.52x = 390,513,418,695.79
  5. Step 5: Solve for x
    x = 390,513,418,695.79/762,171.52
  6. Step 6: Final answer
    x = 512,369.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.