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Finding the Fourth Proportional to 651,530.40, 975,965.16 and 335,323

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Solution

The fourth proportional to 651,530.40, 975,965.16 and 335,323 is: 502,299.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,530.40 : 975,965.16 = 335,323 : x
  2. Step 2: Convert to fraction form
    651,530.40/975,965.16 = 335,323/x
  3. Step 3: Cross multiply
    651,530.40x = 975,965.16 × 335,323
  4. Step 4: Simplify right side
    651,530.40x = 327,263,565,346.68
  5. Step 5: Solve for x
    x = 327,263,565,346.68/651,530.40
  6. Step 6: Final answer
    x = 502,299.76

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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.