Home / 831,543.24-1,147,532.46-449,572.74

Finding the Fourth Proportional to 831,543.24, 1,147,532.46 and 449,572.74

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Solution

The fourth proportional to 831,543.24, 1,147,532.46 and 449,572.74 is: 620,411.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,543.24 : 1,147,532.46 = 449,572.74 : x
  2. Step 2: Convert to fraction form
    831,543.24/1,147,532.46 = 449,572.74/x
  3. Step 3: Cross multiply
    831,543.24x = 1,147,532.46 × 449,572.74
  4. Step 4: Simplify right side
    831,543.24x = 515,899,312,281.14
  5. Step 5: Solve for x
    x = 515,899,312,281.14/831,543.24
  6. Step 6: Final answer
    x = 620,411.89

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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.