Home / 861,849.05-1,289,624.25-507,030.17

Finding the Fourth Proportional to 861,849.05, 1,289,624.25 and 507,030.17

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Solution

The fourth proportional to 861,849.05, 1,289,624.25 and 507,030.17 is: 758,692.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    861,849.05 : 1,289,624.25 = 507,030.17 : x
  2. Step 2: Convert to fraction form
    861,849.05/1,289,624.25 = 507,030.17/x
  3. Step 3: Cross multiply
    861,849.05x = 1,289,624.25 × 507,030.17
  4. Step 4: Simplify right side
    861,849.05x = 653,878,396,265.50
  5. Step 5: Solve for x
    x = 653,878,396,265.50/861,849.05
  6. Step 6: Final answer
    x = 758,692.49

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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.