Home / 931,240.64-1,397,118.54-370,668.80

Finding the Fourth Proportional to 931,240.64, 1,397,118.54 and 370,668.80

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Solution

The fourth proportional to 931,240.64, 1,397,118.54 and 370,668.80 is: 556,105.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    931,240.64 : 1,397,118.54 = 370,668.80 : x
  2. Step 2: Convert to fraction form
    931,240.64/1,397,118.54 = 370,668.80/x
  3. Step 3: Cross multiply
    931,240.64x = 1,397,118.54 × 370,668.80
  4. Step 4: Simplify right side
    931,240.64x = 517,868,252,679.55
  5. Step 5: Solve for x
    x = 517,868,252,679.55/931,240.64
  6. Step 6: Final answer
    x = 556,105.73

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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.