Home / 749,329.55-1,124,004.99-243,893.20

Finding the Fourth Proportional to 749,329.55, 1,124,004.99 and 243,893.20

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Solution

The fourth proportional to 749,329.55, 1,124,004.99 and 243,893.20 is: 365,843.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,329.55 : 1,124,004.99 = 243,893.20 : x
  2. Step 2: Convert to fraction form
    749,329.55/1,124,004.99 = 243,893.20/x
  3. Step 3: Cross multiply
    749,329.55x = 1,124,004.99 × 243,893.20
  4. Step 4: Simplify right side
    749,329.55x = 274,137,173,827.07
  5. Step 5: Solve for x
    x = 274,137,173,827.07/749,329.55
  6. Step 6: Final answer
    x = 365,843.27

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Double scale
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Similar ratio
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1.5x scale

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.