Home / 785,325.16-1,176,332.70-359,219.80

Finding the Fourth Proportional to 785,325.16, 1,176,332.70 and 359,219.80

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Solution

The fourth proportional to 785,325.16, 1,176,332.70 and 359,219.80 is: 538,072.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    785,325.16 : 1,176,332.70 = 359,219.80 : x
  2. Step 2: Convert to fraction form
    785,325.16/1,176,332.70 = 359,219.80/x
  3. Step 3: Cross multiply
    785,325.16x = 1,176,332.70 × 359,219.80
  4. Step 4: Simplify right side
    785,325.16x = 422,561,997,227.46
  5. Step 5: Solve for x
    x = 422,561,997,227.46/785,325.16
  6. Step 6: Final answer
    x = 538,072.66

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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.