Home / 853,915.48-1,178,406.90-466,738.60

Finding the Fourth Proportional to 853,915.48, 1,178,406.90 and 466,738.60

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Solution

The fourth proportional to 853,915.48, 1,178,406.90 and 466,738.60 is: 644,101.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    853,915.48 : 1,178,406.90 = 466,738.60 : x
  2. Step 2: Convert to fraction form
    853,915.48/1,178,406.90 = 466,738.60/x
  3. Step 3: Cross multiply
    853,915.48x = 1,178,406.90 × 466,738.60
  4. Step 4: Simplify right side
    853,915.48x = 550,007,986,736.34
  5. Step 5: Solve for x
    x = 550,007,986,736.34/853,915.48
  6. Step 6: Final answer
    x = 644,101.20

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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.