Home / 785,326.16-1,176,334.20-359,220.80

Finding the Fourth Proportional to 785,326.16, 1,176,334.20 and 359,220.80

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Solution

The fourth proportional to 785,326.16, 1,176,334.20 and 359,220.80 is: 538,074.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    785,326.16 : 1,176,334.20 = 359,220.80 : x
  2. Step 2: Convert to fraction form
    785,326.16/1,176,334.20 = 359,220.80/x
  3. Step 3: Cross multiply
    785,326.16x = 1,176,334.20 × 359,220.80
  4. Step 4: Simplify right side
    785,326.16x = 422,563,712,391.36
  5. Step 5: Solve for x
    x = 422,563,712,391.36/785,326.16
  6. Step 6: Final answer
    x = 538,074.16

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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.