Home / 943,501.78-1,301,998.08-513,772.48

Finding the Fourth Proportional to 943,501.78, 1,301,998.08 and 513,772.48

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Solution

The fourth proportional to 943,501.78, 1,301,998.08 and 513,772.48 is: 708,987.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    943,501.78 : 1,301,998.08 = 513,772.48 : x
  2. Step 2: Convert to fraction form
    943,501.78/1,301,998.08 = 513,772.48/x
  3. Step 3: Cross multiply
    943,501.78x = 1,301,998.08 × 513,772.48
  4. Step 4: Simplify right side
    943,501.78x = 668,930,782,516.84
  5. Step 5: Solve for x
    x = 668,930,782,516.84/943,501.78
  6. Step 6: Final answer
    x = 708,987.30

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Double scale
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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.