Home / 764,341.30-1,054,849.80-458,429.41

Finding the Fourth Proportional to 764,341.30, 1,054,849.80 and 458,429.41

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Solution

The fourth proportional to 764,341.30, 1,054,849.80 and 458,429.41 is: 632,667.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,341.30 : 1,054,849.80 = 458,429.41 : x
  2. Step 2: Convert to fraction form
    764,341.30/1,054,849.80 = 458,429.41/x
  3. Step 3: Cross multiply
    764,341.30x = 1,054,849.80 × 458,429.41
  4. Step 4: Simplify right side
    764,341.30x = 483,574,171,452.62
  5. Step 5: Solve for x
    x = 483,574,171,452.62/764,341.30
  6. Step 6: Final answer
    x = 632,667.86

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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.