Home / 651,166.52-977,082.85-309,995.43

Finding the Fourth Proportional to 651,166.52, 977,082.85 and 309,995.43

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Solution

The fourth proportional to 651,166.52, 977,082.85 and 309,995.43 is: 465,151.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,166.52 : 977,082.85 = 309,995.43 : x
  2. Step 2: Convert to fraction form
    651,166.52/977,082.85 = 309,995.43/x
  3. Step 3: Cross multiply
    651,166.52x = 977,082.85 × 309,995.43
  4. Step 4: Simplify right side
    651,166.52x = 302,891,214,954.81
  5. Step 5: Solve for x
    x = 302,891,214,954.81/651,166.52
  6. Step 6: Final answer
    x = 465,151.71

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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.