Home / 749,855.60-1,034,797.92-405,690.42

Finding the Fourth Proportional to 749,855.60, 1,034,797.92 and 405,690.42

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Solution

The fourth proportional to 749,855.60, 1,034,797.92 and 405,690.42 is: 559,851.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,855.60 : 1,034,797.92 = 405,690.42 : x
  2. Step 2: Convert to fraction form
    749,855.60/1,034,797.92 = 405,690.42/x
  3. Step 3: Cross multiply
    749,855.60x = 1,034,797.92 × 405,690.42
  4. Step 4: Simplify right side
    749,855.60x = 419,807,602,779.93
  5. Step 5: Solve for x
    x = 419,807,602,779.93/749,855.60
  6. Step 6: Final answer
    x = 559,851.26

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1.5x scale

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.