Home / 634,022.32-874,961.40-343,643.23

Finding the Fourth Proportional to 634,022.32, 874,961.40 and 343,643.23

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Solution

The fourth proportional to 634,022.32, 874,961.40 and 343,643.23 is: 474,233.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,022.32 : 874,961.40 = 343,643.23 : x
  2. Step 2: Convert to fraction form
    634,022.32/874,961.40 = 343,643.23/x
  3. Step 3: Cross multiply
    634,022.32x = 874,961.40 × 343,643.23
  4. Step 4: Simplify right side
    634,022.32x = 300,674,561,621.32
  5. Step 5: Solve for x
    x = 300,674,561,621.32/634,022.32
  6. Step 6: Final answer
    x = 474,233.40

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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.