Home / 822,421.50-1,133,825.53-577,072.90

Finding the Fourth Proportional to 822,421.50, 1,133,825.53 and 577,072.90

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Solution

The fourth proportional to 822,421.50, 1,133,825.53 and 577,072.90 is: 795,577.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    822,421.50 : 1,133,825.53 = 577,072.90 : x
  2. Step 2: Convert to fraction form
    822,421.50/1,133,825.53 = 577,072.90/x
  3. Step 3: Cross multiply
    822,421.50x = 1,133,825.53 × 577,072.90
  4. Step 4: Simplify right side
    822,421.50x = 654,299,987,747.75
  5. Step 5: Solve for x
    x = 654,299,987,747.75/822,421.50
  6. Step 6: Final answer
    x = 795,577.44

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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.