Home / 776,581.12-1,072,012.59-522,079.93

Finding the Fourth Proportional to 776,581.12, 1,072,012.59 and 522,079.93

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Solution

The fourth proportional to 776,581.12, 1,072,012.59 and 522,079.93 is: 720,692.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    776,581.12 : 1,072,012.59 = 522,079.93 : x
  2. Step 2: Convert to fraction form
    776,581.12/1,072,012.59 = 522,079.93/x
  3. Step 3: Cross multiply
    776,581.12x = 1,072,012.59 × 522,079.93
  4. Step 4: Simplify right side
    776,581.12x = 559,676,259,286.34
  5. Step 5: Solve for x
    x = 559,676,259,286.34/776,581.12
  6. Step 6: Final answer
    x = 720,692.59

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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.