Home / 764,508.48-1,055,020.32-424,975.68

Finding the Fourth Proportional to 764,508.48, 1,055,020.32 and 424,975.68

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Solution

The fourth proportional to 764,508.48, 1,055,020.32 and 424,975.68 is: 586,465.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,508.48 : 1,055,020.32 = 424,975.68 : x
  2. Step 2: Convert to fraction form
    764,508.48/1,055,020.32 = 424,975.68/x
  3. Step 3: Cross multiply
    764,508.48x = 1,055,020.32 × 424,975.68
  4. Step 4: Simplify right side
    764,508.48x = 448,357,977,905.82
  5. Step 5: Solve for x
    x = 448,357,977,905.82/764,508.48
  6. Step 6: Final answer
    x = 586,465.67

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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.