Home / 803,136.47-1,108,308.05-458,950.52

Finding the Fourth Proportional to 803,136.47, 1,108,308.05 and 458,950.52

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Solution

The fourth proportional to 803,136.47, 1,108,308.05 and 458,950.52 is: 633,340.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    803,136.47 : 1,108,308.05 = 458,950.52 : x
  2. Step 2: Convert to fraction form
    803,136.47/1,108,308.05 = 458,950.52/x
  3. Step 3: Cross multiply
    803,136.47x = 1,108,308.05 × 458,950.52
  4. Step 4: Simplify right side
    803,136.47x = 508,658,548,031.39
  5. Step 5: Solve for x
    x = 508,658,548,031.39/803,136.47
  6. Step 6: Final answer
    x = 633,340.12

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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.