Home / 743,889.54-1,026,679.78-453,669.50

Finding the Fourth Proportional to 743,889.54, 1,026,679.78 and 453,669.50

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Solution

The fourth proportional to 743,889.54, 1,026,679.78 and 453,669.50 is: 626,132.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,889.54 : 1,026,679.78 = 453,669.50 : x
  2. Step 2: Convert to fraction form
    743,889.54/1,026,679.78 = 453,669.50/x
  3. Step 3: Cross multiply
    743,889.54x = 1,026,679.78 × 453,669.50
  4. Step 4: Simplify right side
    743,889.54x = 465,773,302,452.71
  5. Step 5: Solve for x
    x = 465,773,302,452.71/743,889.54
  6. Step 6: Final answer
    x = 626,132.35

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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.