Home / 627,462.08-865,895.33-355,581.77

Finding the Fourth Proportional to 627,462.08, 865,895.33 and 355,581.77

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Solution

The fourth proportional to 627,462.08, 865,895.33 and 355,581.77 is: 490,701.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,462.08 : 865,895.33 = 355,581.77 : x
  2. Step 2: Convert to fraction form
    627,462.08/865,895.33 = 355,581.77/x
  3. Step 3: Cross multiply
    627,462.08x = 865,895.33 × 355,581.77
  4. Step 4: Simplify right side
    627,462.08x = 307,896,590,635.61
  5. Step 5: Solve for x
    x = 307,896,590,635.61/627,462.08
  6. Step 6: Final answer
    x = 490,701.51

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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.