Home / 549,401.58-822,625.88-348,634.98

Finding the Fourth Proportional to 549,401.58, 822,625.88 and 348,634.98

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Solution

The fourth proportional to 549,401.58, 822,625.88 and 348,634.98 is: 522,015.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,401.58 : 822,625.88 = 348,634.98 : x
  2. Step 2: Convert to fraction form
    549,401.58/822,625.88 = 348,634.98/x
  3. Step 3: Cross multiply
    549,401.58x = 822,625.88 × 348,634.98
  4. Step 4: Simplify right side
    549,401.58x = 286,796,155,478.11
  5. Step 5: Solve for x
    x = 286,796,155,478.11/549,401.58
  6. Step 6: Final answer
    x = 522,015.53

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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.