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Finding the Fourth Proportional to 673,266.16, 929,081.64 and 371,460.16

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Solution

The fourth proportional to 673,266.16, 929,081.64 and 371,460.16 is: 512,600.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,266.16 : 929,081.64 = 371,460.16 : x
  2. Step 2: Convert to fraction form
    673,266.16/929,081.64 = 371,460.16/x
  3. Step 3: Cross multiply
    673,266.16x = 929,081.64 × 371,460.16
  4. Step 4: Simplify right side
    673,266.16x = 345,116,814,647.46
  5. Step 5: Solve for x
    x = 345,116,814,647.46/673,266.16
  6. Step 6: Final answer
    x = 512,600.86

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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.