Home / 896,839.05-1,343,999.67-490,987.89

Finding the Fourth Proportional to 896,839.05, 1,343,999.67 and 490,987.89

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Solution

The fourth proportional to 896,839.05, 1,343,999.67 and 490,987.89 is: 735,792.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    896,839.05 : 1,343,999.67 = 490,987.89 : x
  2. Step 2: Convert to fraction form
    896,839.05/1,343,999.67 = 490,987.89/x
  3. Step 3: Cross multiply
    896,839.05x = 1,343,999.67 × 490,987.89
  4. Step 4: Simplify right side
    896,839.05x = 659,887,562,134.00
  5. Step 5: Solve for x
    x = 659,887,562,134.00/896,839.05
  6. Step 6: Final answer
    x = 735,792.63

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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.