Home / 623,434.39-860,322.22-351,499.92

Finding the Fourth Proportional to 623,434.39, 860,322.22 and 351,499.92

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Solution

The fourth proportional to 623,434.39, 860,322.22 and 351,499.92 is: 485,060.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,434.39 : 860,322.22 = 351,499.92 : x
  2. Step 2: Convert to fraction form
    623,434.39/860,322.22 = 351,499.92/x
  3. Step 3: Cross multiply
    623,434.39x = 860,322.22 × 351,499.92
  4. Step 4: Simplify right side
    623,434.39x = 302,403,191,504.22
  5. Step 5: Solve for x
    x = 302,403,191,504.22/623,434.39
  6. Step 6: Final answer
    x = 485,060.17

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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.