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Finding the Fourth Proportional to 601,453.49, 830,005.80 and 329,531.70

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Solution

The fourth proportional to 601,453.49, 830,005.80 and 329,531.70 is: 454,753.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    601,453.49 : 830,005.80 = 329,531.70 : x
  2. Step 2: Convert to fraction form
    601,453.49/830,005.80 = 329,531.70/x
  3. Step 3: Cross multiply
    601,453.49x = 830,005.80 × 329,531.70
  4. Step 4: Simplify right side
    601,453.49x = 273,513,217,935.59
  5. Step 5: Solve for x
    x = 273,513,217,935.59/601,453.49
  6. Step 6: Final answer
    x = 454,753.73

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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.