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Finding the Fourth Proportional to 573,536.07, 791,500.10 and 315,432.97

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Solution

The fourth proportional to 573,536.07, 791,500.10 and 315,432.97 is: 435,308.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,536.07 : 791,500.10 = 315,432.97 : x
  2. Step 2: Convert to fraction form
    573,536.07/791,500.10 = 315,432.97/x
  3. Step 3: Cross multiply
    573,536.07x = 791,500.10 × 315,432.97
  4. Step 4: Simplify right side
    573,536.07x = 249,665,223,742.38
  5. Step 5: Solve for x
    x = 249,665,223,742.38/573,536.07
  6. Step 6: Final answer
    x = 435,308.67

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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.