Home / 585,390.07-808,087.29-356,021.02

Finding the Fourth Proportional to 585,390.07, 808,087.29 and 356,021.02

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Solution

The fourth proportional to 585,390.07, 808,087.29 and 356,021.02 is: 491,460.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,390.07 : 808,087.29 = 356,021.02 : x
  2. Step 2: Convert to fraction form
    585,390.07/808,087.29 = 356,021.02/x
  3. Step 3: Cross multiply
    585,390.07x = 808,087.29 × 356,021.02
  4. Step 4: Simplify right side
    585,390.07x = 287,696,060,909.87
  5. Step 5: Solve for x
    x = 287,696,060,909.87/585,390.07
  6. Step 6: Final answer
    x = 491,460.44

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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.