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Finding the Fourth Proportional to 520,097.02, 717,748.10 and 293,742.52

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Solution

The fourth proportional to 520,097.02, 717,748.10 and 293,742.52 is: 405,372.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    520,097.02 : 717,748.10 = 293,742.52 : x
  2. Step 2: Convert to fraction form
    520,097.02/717,748.10 = 293,742.52/x
  3. Step 3: Cross multiply
    520,097.02x = 717,748.10 × 293,742.52
  4. Step 4: Simplify right side
    520,097.02x = 210,833,135,619.21
  5. Step 5: Solve for x
    x = 210,833,135,619.21/520,097.02
  6. Step 6: Final answer
    x = 405,372.70

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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.