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Finding the Fourth Proportional to 899,615, 1,348,372.74 and 500,064.68

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Solution

The fourth proportional to 899,615, 1,348,372.74 and 500,064.68 is: 749,513.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    899,615 : 1,348,372.74 = 500,064.68 : x
  2. Step 2: Convert to fraction form
    899,615/1,348,372.74 = 500,064.68/x
  3. Step 3: Cross multiply
    899,615x = 1,348,372.74 × 500,064.68
  4. Step 4: Simplify right side
    899,615x = 674,273,582,748.82
  5. Step 5: Solve for x
    x = 674,273,582,748.82/899,615
  6. Step 6: Final answer
    x = 749,513.49

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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.