Home / 826,273.68-1,140,301.16-463,678.80

Finding the Fourth Proportional to 826,273.68, 1,140,301.16 and 463,678.80

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Solution

The fourth proportional to 826,273.68, 1,140,301.16 and 463,678.80 is: 639,901.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    826,273.68 : 1,140,301.16 = 463,678.80 : x
  2. Step 2: Convert to fraction form
    826,273.68/1,140,301.16 = 463,678.80/x
  3. Step 3: Cross multiply
    826,273.68x = 1,140,301.16 × 463,678.80
  4. Step 4: Simplify right side
    826,273.68x = 528,733,473,507.41
  5. Step 5: Solve for x
    x = 528,733,473,507.41/826,273.68
  6. Step 6: Final answer
    x = 639,901.14

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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.