Home / 654,839.65-903,731.21-368,342.65

Finding the Fourth Proportional to 654,839.65, 903,731.21 and 368,342.65

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Solution

The fourth proportional to 654,839.65, 903,731.21 and 368,342.65 is: 508,342.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,839.65 : 903,731.21 = 368,342.65 : x
  2. Step 2: Convert to fraction form
    654,839.65/903,731.21 = 368,342.65/x
  3. Step 3: Cross multiply
    654,839.65x = 903,731.21 × 368,342.65
  4. Step 4: Simplify right side
    654,839.65x = 332,882,748,779.11
  5. Step 5: Solve for x
    x = 332,882,748,779.11/654,839.65
  6. Step 6: Final answer
    x = 508,342.38

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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.