Home / 617,017.77-851,491.04-362,373.21

Finding the Fourth Proportional to 617,017.77, 851,491.04 and 362,373.21

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Solution

The fourth proportional to 617,017.77, 851,491.04 and 362,373.21 is: 500,078.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,017.77 : 851,491.04 = 362,373.21 : x
  2. Step 2: Convert to fraction form
    617,017.77/851,491.04 = 362,373.21/x
  3. Step 3: Cross multiply
    617,017.77x = 851,491.04 × 362,373.21
  4. Step 4: Simplify right side
    617,017.77x = 308,557,539,639.17
  5. Step 5: Solve for x
    x = 308,557,539,639.17/617,017.77
  6. Step 6: Final answer
    x = 500,078.85

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1.5x scale

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.