Home / 651,166.80-977,083.26-309,995.71

Finding the Fourth Proportional to 651,166.80, 977,083.26 and 309,995.71

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Solution

The fourth proportional to 651,166.80, 977,083.26 and 309,995.71 is: 465,152.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,166.80 : 977,083.26 = 309,995.71 : x
  2. Step 2: Convert to fraction form
    651,166.80/977,083.26 = 309,995.71/x
  3. Step 3: Cross multiply
    651,166.80x = 977,083.26 × 309,995.71
  4. Step 4: Simplify right side
    651,166.80x = 302,891,615,307.62
  5. Step 5: Solve for x
    x = 302,891,615,307.62/651,166.80
  6. Step 6: Final answer
    x = 465,152.12

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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.