Home / 803,148.23-1,108,334.22-458,980.21

Finding the Fourth Proportional to 803,148.23, 1,108,334.22 and 458,980.21

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Solution

The fourth proportional to 803,148.23, 1,108,334.22 and 458,980.21 is: 633,386.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    803,148.23 : 1,108,334.22 = 458,980.21 : x
  2. Step 2: Convert to fraction form
    803,148.23/1,108,334.22 = 458,980.21/x
  3. Step 3: Cross multiply
    803,148.23x = 1,108,334.22 × 458,980.21
  4. Step 4: Simplify right side
    803,148.23x = 508,703,477,884.15
  5. Step 5: Solve for x
    x = 508,703,477,884.15/803,148.23
  6. Step 6: Final answer
    x = 633,386.79

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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.