Home / 485,566.85-670,074.93-270,701.39

Finding the Fourth Proportional to 485,566.85, 670,074.93 and 270,701.39

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Solution

The fourth proportional to 485,566.85, 670,074.93 and 270,701.39 is: 373,563.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    485,566.85 : 670,074.93 = 270,701.39 : x
  2. Step 2: Convert to fraction form
    485,566.85/670,074.93 = 270,701.39/x
  3. Step 3: Cross multiply
    485,566.85x = 670,074.93 × 270,701.39
  4. Step 4: Simplify right side
    485,566.85x = 181,390,216,630.34
  5. Step 5: Solve for x
    x = 181,390,216,630.34/485,566.85
  6. Step 6: Final answer
    x = 373,563.84

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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.