Home / 831,351.63-1,147,167.77-468,753.89

Finding the Fourth Proportional to 831,351.63, 1,147,167.77 and 468,753.89

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Solution

The fourth proportional to 831,351.63, 1,147,167.77 and 468,753.89 is: 646,825.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,351.63 : 1,147,167.77 = 468,753.89 : x
  2. Step 2: Convert to fraction form
    831,351.63/1,147,167.77 = 468,753.89/x
  3. Step 3: Cross multiply
    831,351.63x = 1,147,167.77 × 468,753.89
  4. Step 4: Simplify right side
    831,351.63x = 537,739,346,590.52
  5. Step 5: Solve for x
    x = 537,739,346,590.52/831,351.63
  6. Step 6: Final answer
    x = 646,825.39

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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.