Home / 803,148.73-1,108,334.92-458,980.72

Finding the Fourth Proportional to 803,148.73, 1,108,334.92 and 458,980.72

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Solution

The fourth proportional to 803,148.73, 1,108,334.92 and 458,980.72 is: 633,387.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    803,148.73 : 1,108,334.92 = 458,980.72 : x
  2. Step 2: Convert to fraction form
    803,148.73/1,108,334.92 = 458,980.72/x
  3. Step 3: Cross multiply
    803,148.73x = 1,108,334.92 × 458,980.72
  4. Step 4: Simplify right side
    803,148.73x = 508,704,351,746.16
  5. Step 5: Solve for x
    x = 508,704,351,746.16/803,148.73
  6. Step 6: Final answer
    x = 633,387.48

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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.