Home / 540,162.20-745,438.86-298,460.34

Finding the Fourth Proportional to 540,162.20, 745,438.86 and 298,460.34

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Solution

The fourth proportional to 540,162.20, 745,438.86 and 298,460.34 is: 411,883.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,162.20 : 745,438.86 = 298,460.34 : x
  2. Step 2: Convert to fraction form
    540,162.20/745,438.86 = 298,460.34/x
  3. Step 3: Cross multiply
    540,162.20x = 745,438.86 × 298,460.34
  4. Step 4: Simplify right side
    540,162.20x = 222,483,935,604.81
  5. Step 5: Solve for x
    x = 222,483,935,604.81/540,162.20
  6. Step 6: Final answer
    x = 411,883.57

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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.