Home / 749,855.85-1,034,798.25-405,690.66

Finding the Fourth Proportional to 749,855.85, 1,034,798.25 and 405,690.66

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Solution

The fourth proportional to 749,855.85, 1,034,798.25 and 405,690.66 is: 559,851.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,855.85 : 1,034,798.25 = 405,690.66 : x
  2. Step 2: Convert to fraction form
    749,855.85/1,034,798.25 = 405,690.66/x
  3. Step 3: Cross multiply
    749,855.85x = 1,034,798.25 × 405,690.66
  4. Step 4: Simplify right side
    749,855.85x = 419,807,985,009.35
  5. Step 5: Solve for x
    x = 419,807,985,009.35/749,855.85
  6. Step 6: Final answer
    x = 559,851.58

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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.