Home / 790,651.23-1,091,099.34-428,075.34

Finding the Fourth Proportional to 790,651.23, 1,091,099.34 and 428,075.34

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Solution

The fourth proportional to 790,651.23, 1,091,099.34 and 428,075.34 is: 590,744.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,651.23 : 1,091,099.34 = 428,075.34 : x
  2. Step 2: Convert to fraction form
    790,651.23/1,091,099.34 = 428,075.34/x
  3. Step 3: Cross multiply
    790,651.23x = 1,091,099.34 × 428,075.34
  4. Step 4: Simplify right side
    790,651.23x = 467,072,720,944.28
  5. Step 5: Solve for x
    x = 467,072,720,944.28/790,651.23
  6. Step 6: Final answer
    x = 590,744.32

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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.