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Finding the Fourth Proportional to 540,071.52, 745,296.36 and 298,354.08

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Solution

The fourth proportional to 540,071.52, 745,296.36 and 298,354.08 is: 411,727.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,071.52 : 745,296.36 = 298,354.08 : x
  2. Step 2: Convert to fraction form
    540,071.52/745,296.36 = 298,354.08/x
  3. Step 3: Cross multiply
    540,071.52x = 745,296.36 × 298,354.08
  4. Step 4: Simplify right side
    540,071.52x = 222,362,209,815.15
  5. Step 5: Solve for x
    x = 222,362,209,815.15/540,071.52
  6. Step 6: Final answer
    x = 411,727.34

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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.