Home / 764,725.50-1,054,890.75-458,720.46

Finding the Fourth Proportional to 764,725.50, 1,054,890.75 and 458,720.46

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Solution

The fourth proportional to 764,725.50, 1,054,890.75 and 458,720.46 is: 632,776.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,725.50 : 1,054,890.75 = 458,720.46 : x
  2. Step 2: Convert to fraction form
    764,725.50/1,054,890.75 = 458,720.46/x
  3. Step 3: Cross multiply
    764,725.50x = 1,054,890.75 × 458,720.46
  4. Step 4: Simplify right side
    764,725.50x = 483,899,970,089.75
  5. Step 5: Solve for x
    x = 483,899,970,089.75/764,725.50
  6. Step 6: Final answer
    x = 632,776.04

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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.