Home / 448,730.18-617,987.88-438,932.42

Finding the Fourth Proportional to 448,730.18, 617,987.88 and 438,932.42

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Solution

The fourth proportional to 448,730.18, 617,987.88 and 438,932.42 is: 604,494.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,730.18 : 617,987.88 = 438,932.42 : x
  2. Step 2: Convert to fraction form
    448,730.18/617,987.88 = 438,932.42/x
  3. Step 3: Cross multiply
    448,730.18x = 617,987.88 × 438,932.42
  4. Step 4: Simplify right side
    448,730.18x = 271,254,915,699.07
  5. Step 5: Solve for x
    x = 271,254,915,699.07/448,730.18
  6. Step 6: Final answer
    x = 604,494.48

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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.