Home / 748,528.06-1,032,956.67-408,989.02

Finding the Fourth Proportional to 748,528.06, 1,032,956.67 and 408,989.02

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Solution

The fourth proportional to 748,528.06, 1,032,956.67 and 408,989.02 is: 564,398.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,528.06 : 1,032,956.67 = 408,989.02 : x
  2. Step 2: Convert to fraction form
    748,528.06/1,032,956.67 = 408,989.02/x
  3. Step 3: Cross multiply
    748,528.06x = 1,032,956.67 × 408,989.02
  4. Step 4: Simplify right side
    748,528.06x = 422,467,936,165.76
  5. Step 5: Solve for x
    x = 422,467,936,165.76/748,528.06
  6. Step 6: Final answer
    x = 564,398.26

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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.