Home / 864,773.12-1,297,950.58-438,603.11

Finding the Fourth Proportional to 864,773.12, 1,297,950.58 and 438,603.11

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Solution

The fourth proportional to 864,773.12, 1,297,950.58 and 438,603.11 is: 658,305.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,773.12 : 1,297,950.58 = 438,603.11 : x
  2. Step 2: Convert to fraction form
    864,773.12/1,297,950.58 = 438,603.11/x
  3. Step 3: Cross multiply
    864,773.12x = 1,297,950.58 × 438,603.11
  4. Step 4: Simplify right side
    864,773.12x = 569,285,158,133.74
  5. Step 5: Solve for x
    x = 569,285,158,133.74/864,773.12
  6. Step 6: Final answer
    x = 658,305.80

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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.