Home / 360,326.07-496,927.76-298,975.05

Finding the Fourth Proportional to 360,326.07, 496,927.76 and 298,975.05

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Solution

The fourth proportional to 360,326.07, 496,927.76 and 298,975.05 is: 412,318.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,326.07 : 496,927.76 = 298,975.05 : x
  2. Step 2: Convert to fraction form
    360,326.07/496,927.76 = 298,975.05/x
  3. Step 3: Cross multiply
    360,326.07x = 496,927.76 × 298,975.05
  4. Step 4: Simplify right side
    360,326.07x = 148,569,000,397.51
  5. Step 5: Solve for x
    x = 148,569,000,397.51/360,326.07
  6. Step 6: Final answer
    x = 412,318.21

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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.