Home / 931,682.70-1,396,527.53-425,485.13

Finding the Fourth Proportional to 931,682.70, 1,396,527.53 and 425,485.13

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Solution

The fourth proportional to 931,682.70, 1,396,527.53 and 425,485.13 is: 637,772.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    931,682.70 : 1,396,527.53 = 425,485.13 : x
  2. Step 2: Convert to fraction form
    931,682.70/1,396,527.53 = 425,485.13/x
  3. Step 3: Cross multiply
    931,682.70x = 1,396,527.53 × 425,485.13
  4. Step 4: Simplify right side
    931,682.70x = 594,201,688,540.57
  5. Step 5: Solve for x
    x = 594,201,688,540.57/931,682.70
  6. Step 6: Final answer
    x = 637,772.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.