Home / 849,291.68-1,273,938.48-218,210.72

Finding the Fourth Proportional to 849,291.68, 1,273,938.48 and 218,210.72

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Solution

The fourth proportional to 849,291.68, 1,273,938.48 and 218,210.72 is: 327,316.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,291.68 : 1,273,938.48 = 218,210.72 : x
  2. Step 2: Convert to fraction form
    849,291.68/1,273,938.48 = 218,210.72/x
  3. Step 3: Cross multiply
    849,291.68x = 1,273,938.48 × 218,210.72
  4. Step 4: Simplify right side
    849,291.68x = 277,987,032,956.51
  5. Step 5: Solve for x
    x = 277,987,032,956.51/849,291.68
  6. Step 6: Final answer
    x = 327,316.33

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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.