Home / 916,213-1,374,406.98-284,957.32

Finding the Fourth Proportional to 916,213, 1,374,406.98 and 284,957.32

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Solution

The fourth proportional to 916,213, 1,374,406.98 and 284,957.32 is: 427,463.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,213 : 1,374,406.98 = 284,957.32 : x
  2. Step 2: Convert to fraction form
    916,213/1,374,406.98 = 284,957.32/x
  3. Step 3: Cross multiply
    916,213x = 1,374,406.98 × 284,957.32
  4. Step 4: Simplify right side
    916,213x = 391,647,329,610.09
  5. Step 5: Solve for x
    x = 391,647,329,610.09/916,213
  6. Step 6: Final answer
    x = 427,463.19

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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.