Home / 899,136.36-1,349,368.20-425,820.96

Finding the Fourth Proportional to 899,136.36, 1,349,368.20 and 425,820.96

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Solution

The fourth proportional to 899,136.36, 1,349,368.20 and 425,820.96 is: 639,045.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    899,136.36 : 1,349,368.20 = 425,820.96 : x
  2. Step 2: Convert to fraction form
    899,136.36/1,349,368.20 = 425,820.96/x
  3. Step 3: Cross multiply
    899,136.36x = 1,349,368.20 × 425,820.96
  4. Step 4: Simplify right side
    899,136.36x = 574,589,262,317.47
  5. Step 5: Solve for x
    x = 574,589,262,317.47/899,136.36
  6. Step 6: Final answer
    x = 639,045.74

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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.