Home / 687,365.76-1,030,530.24-450,768

Finding the Fourth Proportional to 687,365.76, 1,030,530.24 and 450,768

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Solution

The fourth proportional to 687,365.76, 1,030,530.24 and 450,768 is: 675,812.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    687,365.76 : 1,030,530.24 = 450,768 : x
  2. Step 2: Convert to fraction form
    687,365.76/1,030,530.24 = 450,768/x
  3. Step 3: Cross multiply
    687,365.76x = 1,030,530.24 × 450,768
  4. Step 4: Simplify right side
    687,365.76x = 464,530,055,224.32
  5. Step 5: Solve for x
    x = 464,530,055,224.32/687,365.76
  6. Step 6: Final answer
    x = 675,812.04

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.