Home / 804,570.13-1,207,010.90-305,895.25

Finding the Fourth Proportional to 804,570.13, 1,207,010.90 and 305,895.25

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Solution

The fourth proportional to 804,570.13, 1,207,010.90 and 305,895.25 is: 458,902.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,570.13 : 1,207,010.90 = 305,895.25 : x
  2. Step 2: Convert to fraction form
    804,570.13/1,207,010.90 = 305,895.25/x
  3. Step 3: Cross multiply
    804,570.13x = 1,207,010.90 × 305,895.25
  4. Step 4: Simplify right side
    804,570.13x = 369,218,899,478.75
  5. Step 5: Solve for x
    x = 369,218,899,478.75/804,570.13
  6. Step 6: Final answer
    x = 458,902.07

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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.