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Finding the Fourth Proportional to 471,569.32, 650,765.66 and 256,710.96

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Solution

The fourth proportional to 471,569.32, 650,765.66 and 256,710.96 is: 354,261.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    471,569.32 : 650,765.66 = 256,710.96 : x
  2. Step 2: Convert to fraction form
    471,569.32/650,765.66 = 256,710.96/x
  3. Step 3: Cross multiply
    471,569.32x = 650,765.66 × 256,710.96
  4. Step 4: Simplify right side
    471,569.32x = 167,058,677,313.63
  5. Step 5: Solve for x
    x = 167,058,677,313.63/471,569.32
  6. Step 6: Final answer
    x = 354,261.12

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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.