Home / 803,490.35-1,108,542.04-459,079.16

Finding the Fourth Proportional to 803,490.35, 1,108,542.04 and 459,079.16

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Solution

The fourth proportional to 803,490.35, 1,108,542.04 and 459,079.16 is: 633,372.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    803,490.35 : 1,108,542.04 = 459,079.16 : x
  2. Step 2: Convert to fraction form
    803,490.35/1,108,542.04 = 459,079.16/x
  3. Step 3: Cross multiply
    803,490.35x = 1,108,542.04 × 459,079.16
  4. Step 4: Simplify right side
    803,490.35x = 508,908,540,709.78
  5. Step 5: Solve for x
    x = 508,908,540,709.78/803,490.35
  6. Step 6: Final answer
    x = 633,372.32

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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.