Home / 738,109.76-1,018,666.68-451,819.04

Finding the Fourth Proportional to 738,109.76, 1,018,666.68 and 451,819.04

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Solution

The fourth proportional to 738,109.76, 1,018,666.68 and 451,819.04 is: 623,556.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,109.76 : 1,018,666.68 = 451,819.04 : x
  2. Step 2: Convert to fraction form
    738,109.76/1,018,666.68 = 451,819.04/x
  3. Step 3: Cross multiply
    738,109.76x = 1,018,666.68 × 451,819.04
  4. Step 4: Simplify right side
    738,109.76x = 460,253,001,437.59
  5. Step 5: Solve for x
    x = 460,253,001,437.59/738,109.76
  6. Step 6: Final answer
    x = 623,556.31

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1.5x scale

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.