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Finding the Fourth Proportional to 540,182.88, 745,449.32 and 298,465.52

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Solution

The fourth proportional to 540,182.88, 745,449.32 and 298,465.52 is: 411,880.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,182.88 : 745,449.32 = 298,465.52 : x
  2. Step 2: Convert to fraction form
    540,182.88/745,449.32 = 298,465.52/x
  3. Step 3: Cross multiply
    540,182.88x = 745,449.32 × 298,465.52
  4. Step 4: Simplify right side
    540,182.88x = 222,490,918,927.45
  5. Step 5: Solve for x
    x = 222,490,918,927.45/540,182.88
  6. Step 6: Final answer
    x = 411,880.73

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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.