Home / 629,272.23-868,484.54-357,407.91

Finding the Fourth Proportional to 629,272.23, 868,484.54 and 357,407.91

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Solution

The fourth proportional to 629,272.23, 868,484.54 and 357,407.91 is: 493,273.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,272.23 : 868,484.54 = 357,407.91 : x
  2. Step 2: Convert to fraction form
    629,272.23/868,484.54 = 357,407.91/x
  3. Step 3: Cross multiply
    629,272.23x = 868,484.54 × 357,407.91
  4. Step 4: Simplify right side
    629,272.23x = 310,403,242,521.67
  5. Step 5: Solve for x
    x = 310,403,242,521.67/629,272.23
  6. Step 6: Final answer
    x = 493,273.38

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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.