Home / 803,391.36-1,108,778.40-463,859.04

Finding the Fourth Proportional to 803,391.36, 1,108,778.40 and 463,859.04

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Solution

The fourth proportional to 803,391.36, 1,108,778.40 and 463,859.04 is: 640,182.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    803,391.36 : 1,108,778.40 = 463,859.04 : x
  2. Step 2: Convert to fraction form
    803,391.36/1,108,778.40 = 463,859.04/x
  3. Step 3: Cross multiply
    803,391.36x = 1,108,778.40 × 463,859.04
  4. Step 4: Simplify right side
    803,391.36x = 514,316,884,196.74
  5. Step 5: Solve for x
    x = 514,316,884,196.74/803,391.36
  6. Step 6: Final answer
    x = 640,182.24

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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.