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Finding the Fourth Proportional to 601,490.21, 830,077.16 and 329,557.28

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Solution

The fourth proportional to 601,490.21, 830,077.16 and 329,557.28 is: 454,800.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    601,490.21 : 830,077.16 = 329,557.28 : x
  2. Step 2: Convert to fraction form
    601,490.21/830,077.16 = 329,557.28/x
  3. Step 3: Cross multiply
    601,490.21x = 830,077.16 × 329,557.28
  4. Step 4: Simplify right side
    601,490.21x = 273,557,971,467.13
  5. Step 5: Solve for x
    x = 273,557,971,467.13/601,490.21
  6. Step 6: Final answer
    x = 454,800.37

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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.