Home / 803,481.75-1,205,560.55-500,129.51

Finding the Fourth Proportional to 803,481.75, 1,205,560.55 and 500,129.51

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Solution

The fourth proportional to 803,481.75, 1,205,560.55 and 500,129.51 is: 750,404.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    803,481.75 : 1,205,560.55 = 500,129.51 : x
  2. Step 2: Convert to fraction form
    803,481.75/1,205,560.55 = 500,129.51/x
  3. Step 3: Cross multiply
    803,481.75x = 1,205,560.55 × 500,129.51
  4. Step 4: Simplify right side
    803,481.75x = 602,936,402,369.35
  5. Step 5: Solve for x
    x = 602,936,402,369.35/803,481.75
  6. Step 6: Final answer
    x = 750,404.60

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.