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Finding the Fourth Proportional to 634,438.70, 950,851.65 and 260,038.70

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Solution

The fourth proportional to 634,438.70, 950,851.65 and 260,038.70 is: 389,727.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,438.70 : 950,851.65 = 260,038.70 : x
  2. Step 2: Convert to fraction form
    634,438.70/950,851.65 = 260,038.70/x
  3. Step 3: Cross multiply
    634,438.70x = 950,851.65 × 260,038.70
  4. Step 4: Simplify right side
    634,438.70x = 247,258,226,958.86
  5. Step 5: Solve for x
    x = 247,258,226,958.86/634,438.70
  6. Step 6: Final answer
    x = 389,727.53

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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.