Home / 790,895.48-1,091,430.27-428,311.04

Finding the Fourth Proportional to 790,895.48, 1,091,430.27 and 428,311.04

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Solution

The fourth proportional to 790,895.48, 1,091,430.27 and 428,311.04 is: 591,066.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,895.48 : 1,091,430.27 = 428,311.04 : x
  2. Step 2: Convert to fraction form
    790,895.48/1,091,430.27 = 428,311.04/x
  3. Step 3: Cross multiply
    790,895.48x = 1,091,430.27 × 428,311.04
  4. Step 4: Simplify right side
    790,895.48x = 467,471,628,574.03
  5. Step 5: Solve for x
    x = 467,471,628,574.03/790,895.48
  6. Step 6: Final answer
    x = 591,066.26

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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.