Home / 743,929.90-1,026,735.43-453,709.93

Finding the Fourth Proportional to 743,929.90, 1,026,735.43 and 453,709.93

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Solution

The fourth proportional to 743,929.90, 1,026,735.43 and 453,709.93 is: 626,188.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,929.90 : 1,026,735.43 = 453,709.93 : x
  2. Step 2: Convert to fraction form
    743,929.90/1,026,735.43 = 453,709.93/x
  3. Step 3: Cross multiply
    743,929.90x = 1,026,735.43 × 453,709.93
  4. Step 4: Simplify right side
    743,929.90x = 465,840,060,073.82
  5. Step 5: Solve for x
    x = 465,840,060,073.82/743,929.90
  6. Step 6: Final answer
    x = 626,188.11

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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.