Home / 872,839.04-1,204,498.94-505,331.66

Finding the Fourth Proportional to 872,839.04, 1,204,498.94 and 505,331.66

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Solution

The fourth proportional to 872,839.04, 1,204,498.94 and 505,331.66 is: 697,346.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    872,839.04 : 1,204,498.94 = 505,331.66 : x
  2. Step 2: Convert to fraction form
    872,839.04/1,204,498.94 = 505,331.66/x
  3. Step 3: Cross multiply
    872,839.04x = 1,204,498.94 × 505,331.66
  4. Step 4: Simplify right side
    872,839.04x = 608,671,440,269.29
  5. Step 5: Solve for x
    x = 608,671,440,269.29/872,839.04
  6. Step 6: Final answer
    x = 697,346.72

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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.