Home / 759,640.78-1,048,187.83-437,288.59

Finding the Fourth Proportional to 759,640.78, 1,048,187.83 and 437,288.59

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Solution

The fourth proportional to 759,640.78, 1,048,187.83 and 437,288.59 is: 603,391.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    759,640.78 : 1,048,187.83 = 437,288.59 : x
  2. Step 2: Convert to fraction form
    759,640.78/1,048,187.83 = 437,288.59/x
  3. Step 3: Cross multiply
    759,640.78x = 1,048,187.83 × 437,288.59
  4. Step 4: Simplify right side
    759,640.78x = 458,360,577,142.64
  5. Step 5: Solve for x
    x = 458,360,577,142.64/759,640.78
  6. Step 6: Final answer
    x = 603,391.22

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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.