Home / 714,354.74-1,071,252.84-258,837.77

Finding the Fourth Proportional to 714,354.74, 1,071,252.84 and 258,837.77

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Solution

The fourth proportional to 714,354.74, 1,071,252.84 and 258,837.77 is: 388,155.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    714,354.74 : 1,071,252.84 = 258,837.77 : x
  2. Step 2: Convert to fraction form
    714,354.74/1,071,252.84 = 258,837.77/x
  3. Step 3: Cross multiply
    714,354.74x = 1,071,252.84 × 258,837.77
  4. Step 4: Simplify right side
    714,354.74x = 277,280,696,211.77
  5. Step 5: Solve for x
    x = 277,280,696,211.77/714,354.74
  6. Step 6: Final answer
    x = 388,155.46

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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.