Home / 759,995.57-1,048,786.10-420,466.25

Finding the Fourth Proportional to 759,995.57, 1,048,786.10 and 420,466.25

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Solution

The fourth proportional to 759,995.57, 1,048,786.10 and 420,466.25 is: 580,239.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    759,995.57 : 1,048,786.10 = 420,466.25 : x
  2. Step 2: Convert to fraction form
    759,995.57/1,048,786.10 = 420,466.25/x
  3. Step 3: Cross multiply
    759,995.57x = 1,048,786.10 × 420,466.25
  4. Step 4: Simplify right side
    759,995.57x = 440,979,151,172.86
  5. Step 5: Solve for x
    x = 440,979,151,172.86/759,995.57
  6. Step 6: Final answer
    x = 580,239.11

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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.