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Finding the Fourth Proportional to 985,717.08, 1,360,288.62 and 533,007

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Solution

The fourth proportional to 985,717.08, 1,360,288.62 and 533,007 is: 735,549.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    985,717.08 : 1,360,288.62 = 533,007 : x
  2. Step 2: Convert to fraction form
    985,717.08/1,360,288.62 = 533,007/x
  3. Step 3: Cross multiply
    985,717.08x = 1,360,288.62 × 533,007
  4. Step 4: Simplify right side
    985,717.08x = 725,043,356,480.34
  5. Step 5: Solve for x
    x = 725,043,356,480.34/985,717.08
  6. Step 6: Final answer
    x = 735,549.15

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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.