Home / 634,021.32-874,960.02-343,642.23

Finding the Fourth Proportional to 634,021.32, 874,960.02 and 343,642.23

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Solution

The fourth proportional to 634,021.32, 874,960.02 and 343,642.23 is: 474,232.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,021.32 : 874,960.02 = 343,642.23 : x
  2. Step 2: Convert to fraction form
    634,021.32/874,960.02 = 343,642.23/x
  3. Step 3: Cross multiply
    634,021.32x = 874,960.02 × 343,642.23
  4. Step 4: Simplify right side
    634,021.32x = 300,673,212,433.65
  5. Step 5: Solve for x
    x = 300,673,212,433.65/634,021.32
  6. Step 6: Final answer
    x = 474,232.02

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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.