Home / 896,556.29-1,237,239.81-488,658.15

Finding the Fourth Proportional to 896,556.29, 1,237,239.81 and 488,658.15

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Solution

The fourth proportional to 896,556.29, 1,237,239.81 and 488,658.15 is: 674,343.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    896,556.29 : 1,237,239.81 = 488,658.15 : x
  2. Step 2: Convert to fraction form
    896,556.29/1,237,239.81 = 488,658.15/x
  3. Step 3: Cross multiply
    896,556.29x = 1,237,239.81 × 488,658.15
  4. Step 4: Simplify right side
    896,556.29x = 604,587,319,990.82
  5. Step 5: Solve for x
    x = 604,587,319,990.82/896,556.29
  6. Step 6: Final answer
    x = 674,343.96

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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.