Home / 743,090.76-1,025,485.38-437,187.24

Finding the Fourth Proportional to 743,090.76, 1,025,485.38 and 437,187.24

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Solution

The fourth proportional to 743,090.76, 1,025,485.38 and 437,187.24 is: 603,330.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,090.76 : 1,025,485.38 = 437,187.24 : x
  2. Step 2: Convert to fraction form
    743,090.76/1,025,485.38 = 437,187.24/x
  3. Step 3: Cross multiply
    743,090.76x = 1,025,485.38 × 437,187.24
  4. Step 4: Simplify right side
    743,090.76x = 448,329,122,942.55
  5. Step 5: Solve for x
    x = 448,329,122,942.55/743,090.76
  6. Step 6: Final answer
    x = 603,330.24

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Double scale
Find fourth proportional to 743,091.76, 1,025,486.76 and 437,188.24
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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.