Home / 448,580.10-672,092.55-290,727.30

Finding the Fourth Proportional to 448,580.10, 672,092.55 and 290,727.30

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Solution

The fourth proportional to 448,580.10, 672,092.55 and 290,727.30 is: 435,586.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,580.10 : 672,092.55 = 290,727.30 : x
  2. Step 2: Convert to fraction form
    448,580.10/672,092.55 = 290,727.30/x
  3. Step 3: Cross multiply
    448,580.10x = 672,092.55 × 290,727.30
  4. Step 4: Simplify right side
    448,580.10x = 195,395,652,411.62
  5. Step 5: Solve for x
    x = 195,395,652,411.62/448,580.10
  6. Step 6: Final answer
    x = 435,586.98

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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.