Home / 687,741.56-1,030,270.29-450,364.58

Finding the Fourth Proportional to 687,741.56, 1,030,270.29 and 450,364.58

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Solution

The fourth proportional to 687,741.56, 1,030,270.29 and 450,364.58 is: 674,668.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    687,741.56 : 1,030,270.29 = 450,364.58 : x
  2. Step 2: Convert to fraction form
    687,741.56/1,030,270.29 = 450,364.58/x
  3. Step 3: Cross multiply
    687,741.56x = 1,030,270.29 × 450,364.58
  4. Step 4: Simplify right side
    687,741.56x = 463,997,246,442.33
  5. Step 5: Solve for x
    x = 463,997,246,442.33/687,741.56
  6. Step 6: Final answer
    x = 674,668.03

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1.5x scale

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.