Home / 476,484-657,543.28-261,622.16

Finding the Fourth Proportional to 476,484, 657,543.28 and 261,622.16

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Solution

The fourth proportional to 476,484, 657,543.28 and 261,622.16 is: 361,036.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,484 : 657,543.28 = 261,622.16 : x
  2. Step 2: Convert to fraction form
    476,484/657,543.28 = 261,622.16/x
  3. Step 3: Cross multiply
    476,484x = 657,543.28 × 261,622.16
  4. Step 4: Simplify right side
    476,484x = 172,027,893,207.09
  5. Step 5: Solve for x
    x = 172,027,893,207.09/476,484
  6. Step 6: Final answer
    x = 361,036.03

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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.