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Finding the Fourth Proportional to 585,173.44, 807,535.04 and 330,574.40

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Solution

The fourth proportional to 585,173.44, 807,535.04 and 330,574.40 is: 456,190.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,173.44 : 807,535.04 = 330,574.40 : x
  2. Step 2: Convert to fraction form
    585,173.44/807,535.04 = 330,574.40/x
  3. Step 3: Cross multiply
    585,173.44x = 807,535.04 × 330,574.40
  4. Step 4: Simplify right side
    585,173.44x = 266,950,411,326.98
  5. Step 5: Solve for x
    x = 266,950,411,326.98/585,173.44
  6. Step 6: Final answer
    x = 456,190.24

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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.