Home / 790,928.16-1,186,447.57-317,613.50

Finding the Fourth Proportional to 790,928.16, 1,186,447.57 and 317,613.50

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Solution

The fourth proportional to 790,928.16, 1,186,447.57 and 317,613.50 is: 476,442.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,928.16 : 1,186,447.57 = 317,613.50 : x
  2. Step 2: Convert to fraction form
    790,928.16/1,186,447.57 = 317,613.50/x
  3. Step 3: Cross multiply
    790,928.16x = 1,186,447.57 × 317,613.50
  4. Step 4: Simplify right side
    790,928.16x = 376,831,765,274.20
  5. Step 5: Solve for x
    x = 376,831,765,274.20/790,928.16
  6. Step 6: Final answer
    x = 476,442.47

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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.