Home / 764,106.75-1,054,445.02-437,408.93

Finding the Fourth Proportional to 764,106.75, 1,054,445.02 and 437,408.93

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Solution

The fourth proportional to 764,106.75, 1,054,445.02 and 437,408.93 is: 603,611.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,106.75 : 1,054,445.02 = 437,408.93 : x
  2. Step 2: Convert to fraction form
    764,106.75/1,054,445.02 = 437,408.93/x
  3. Step 3: Cross multiply
    764,106.75x = 1,054,445.02 × 437,408.93
  4. Step 4: Simplify right side
    764,106.75x = 461,223,669,484.62
  5. Step 5: Solve for x
    x = 461,223,669,484.62/764,106.75
  6. Step 6: Final answer
    x = 603,611.56

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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.