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Finding the Fourth Proportional to 655,936.40, 983,904.80 and 506,395.01

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Solution

The fourth proportional to 655,936.40, 983,904.80 and 506,395.01 is: 759,592.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,936.40 : 983,904.80 = 506,395.01 : x
  2. Step 2: Convert to fraction form
    655,936.40/983,904.80 = 506,395.01/x
  3. Step 3: Cross multiply
    655,936.40x = 983,904.80 × 506,395.01
  4. Step 4: Simplify right side
    655,936.40x = 498,244,473,583.55
  5. Step 5: Solve for x
    x = 498,244,473,583.55/655,936.40
  6. Step 6: Final answer
    x = 759,592.66

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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.