Home / 617,845.20-926,767.80-369,013.20

Finding the Fourth Proportional to 617,845.20, 926,767.80 and 369,013.20

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Solution

The fourth proportional to 617,845.20, 926,767.80 and 369,013.20 is: 553,519.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,845.20 : 926,767.80 = 369,013.20 : x
  2. Step 2: Convert to fraction form
    617,845.20/926,767.80 = 369,013.20/x
  3. Step 3: Cross multiply
    617,845.20x = 926,767.80 × 369,013.20
  4. Step 4: Simplify right side
    617,845.20x = 341,989,551,534.96
  5. Step 5: Solve for x
    x = 341,989,551,534.96/617,845.20
  6. Step 6: Final answer
    x = 553,519.80

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1.5x scale

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.