Home / 874,850.51-1,312,275.69-210,002.51

Finding the Fourth Proportional to 874,850.51, 1,312,275.69 and 210,002.51

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Solution

The fourth proportional to 874,850.51, 1,312,275.69 and 210,002.51 is: 315,003.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,850.51 : 1,312,275.69 = 210,002.51 : x
  2. Step 2: Convert to fraction form
    874,850.51/1,312,275.69 = 210,002.51/x
  3. Step 3: Cross multiply
    874,850.51x = 1,312,275.69 × 210,002.51
  4. Step 4: Simplify right side
    874,850.51x = 275,581,182,150.60
  5. Step 5: Solve for x
    x = 275,581,182,150.60/874,850.51
  6. Step 6: Final answer
    x = 315,003.74

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Double scale
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Similar ratio
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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.