Home / 831,543.74-1,147,533.16-449,573.24

Finding the Fourth Proportional to 831,543.74, 1,147,533.16 and 449,573.24

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Solution

The fourth proportional to 831,543.74, 1,147,533.16 and 449,573.24 is: 620,412.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,543.74 : 1,147,533.16 = 449,573.24 : x
  2. Step 2: Convert to fraction form
    831,543.74/1,147,533.16 = 449,573.24/x
  3. Step 3: Cross multiply
    831,543.74x = 1,147,533.16 × 449,573.24
  4. Step 4: Simplify right side
    831,543.74x = 515,900,200,748.64
  5. Step 5: Solve for x
    x = 515,900,200,748.64/831,543.74
  6. Step 6: Final answer
    x = 620,412.58

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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.