Home / 831,946.90-1,148,085.48-449,972.50

Finding the Fourth Proportional to 831,946.90, 1,148,085.48 and 449,972.50

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Solution

The fourth proportional to 831,946.90, 1,148,085.48 and 449,972.50 is: 620,961.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,946.90 : 1,148,085.48 = 449,972.50 : x
  2. Step 2: Convert to fraction form
    831,946.90/1,148,085.48 = 449,972.50/x
  3. Step 3: Cross multiply
    831,946.90x = 1,148,085.48 × 449,972.50
  4. Step 4: Simplify right side
    831,946.90x = 516,606,893,649.30
  5. Step 5: Solve for x
    x = 516,606,893,649.30/831,946.90
  6. Step 6: Final answer
    x = 620,961.38

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Double scale
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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.