Home / 764,280.82-1,054,684.65-437,582.98

Finding the Fourth Proportional to 764,280.82, 1,054,684.65 and 437,582.98

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Solution

The fourth proportional to 764,280.82, 1,054,684.65 and 437,582.98 is: 603,851.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,280.82 : 1,054,684.65 = 437,582.98 : x
  2. Step 2: Convert to fraction form
    764,280.82/1,054,684.65 = 437,582.98/x
  3. Step 3: Cross multiply
    764,280.82x = 1,054,684.65 × 437,582.98
  4. Step 4: Simplify right side
    764,280.82x = 461,512,052,107.26
  5. Step 5: Solve for x
    x = 461,512,052,107.26/764,280.82
  6. Step 6: Final answer
    x = 603,851.41

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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.