Home / 680,934.40-1,021,984.80-302,437.60

Finding the Fourth Proportional to 680,934.40, 1,021,984.80 and 302,437.60

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Solution

The fourth proportional to 680,934.40, 1,021,984.80 and 302,437.60 is: 453,915.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    680,934.40 : 1,021,984.80 = 302,437.60 : x
  2. Step 2: Convert to fraction form
    680,934.40/1,021,984.80 = 302,437.60/x
  3. Step 3: Cross multiply
    680,934.40x = 1,021,984.80 × 302,437.60
  4. Step 4: Simplify right side
    680,934.40x = 309,086,630,148.48
  5. Step 5: Solve for x
    x = 309,086,630,148.48/680,934.40
  6. Step 6: Final answer
    x = 453,915.43

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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.