Home / 743,884.72-1,026,673.13-453,664.67

Finding the Fourth Proportional to 743,884.72, 1,026,673.13 and 453,664.67

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Solution

The fourth proportional to 743,884.72, 1,026,673.13 and 453,664.67 is: 626,125.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,884.72 : 1,026,673.13 = 453,664.67 : x
  2. Step 2: Convert to fraction form
    743,884.72/1,026,673.13 = 453,664.67/x
  3. Step 3: Cross multiply
    743,884.72x = 1,026,673.13 × 453,664.67
  4. Step 4: Simplify right side
    743,884.72x = 465,765,322,720.11
  5. Step 5: Solve for x
    x = 465,765,322,720.11/743,884.72
  6. Step 6: Final answer
    x = 626,125.68

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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.