Home / 830,523.79-1,146,109.12-467,984.80

Finding the Fourth Proportional to 830,523.79, 1,146,109.12 and 467,984.80

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Solution

The fourth proportional to 830,523.79, 1,146,109.12 and 467,984.80 is: 645,811.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,523.79 : 1,146,109.12 = 467,984.80 : x
  2. Step 2: Convert to fraction form
    830,523.79/1,146,109.12 = 467,984.80/x
  3. Step 3: Cross multiply
    830,523.79x = 1,146,109.12 × 467,984.80
  4. Step 4: Simplify right side
    830,523.79x = 536,361,647,301.38
  5. Step 5: Solve for x
    x = 536,361,647,301.38/830,523.79
  6. Step 6: Final answer
    x = 645,811.30

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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.