Home / 750,050.42-1,035,072.30-405,886.30

Finding the Fourth Proportional to 750,050.42, 1,035,072.30 and 405,886.30

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Solution

The fourth proportional to 750,050.42, 1,035,072.30 and 405,886.30 is: 560,124.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    750,050.42 : 1,035,072.30 = 405,886.30 : x
  2. Step 2: Convert to fraction form
    750,050.42/1,035,072.30 = 405,886.30/x
  3. Step 3: Cross multiply
    750,050.42x = 1,035,072.30 × 405,886.30
  4. Step 4: Simplify right side
    750,050.42x = 420,121,666,079.49
  5. Step 5: Solve for x
    x = 420,121,666,079.49/750,050.42
  6. Step 6: Final answer
    x = 560,124.57

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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.