Home / 782,983.34-1,080,465.84-460,631.16

Finding the Fourth Proportional to 782,983.34, 1,080,465.84 and 460,631.16

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Solution

The fourth proportional to 782,983.34, 1,080,465.84 and 460,631.16 is: 635,640.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,983.34 : 1,080,465.84 = 460,631.16 : x
  2. Step 2: Convert to fraction form
    782,983.34/1,080,465.84 = 460,631.16/x
  3. Step 3: Cross multiply
    782,983.34x = 1,080,465.84 × 460,631.16
  4. Step 4: Simplify right side
    782,983.34x = 497,696,233,219.57
  5. Step 5: Solve for x
    x = 497,696,233,219.57/782,983.34
  6. Step 6: Final answer
    x = 635,640.90

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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.