Home / 476,888.10-658,103.70-272,938.20

Finding the Fourth Proportional to 476,888.10, 658,103.70 and 272,938.20

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Solution

The fourth proportional to 476,888.10, 658,103.70 and 272,938.20 is: 376,653.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,888.10 : 658,103.70 = 272,938.20 : x
  2. Step 2: Convert to fraction form
    476,888.10/658,103.70 = 272,938.20/x
  3. Step 3: Cross multiply
    476,888.10x = 658,103.70 × 272,938.20
  4. Step 4: Simplify right side
    476,888.10x = 179,621,639,291.34
  5. Step 5: Solve for x
    x = 179,621,639,291.34/476,888.10
  6. Step 6: Final answer
    x = 376,653.64

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1.5x scale

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.