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Finding the Fourth Proportional to 540,458.88, 745,337.28 and 325,225.44

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Solution

The fourth proportional to 540,458.88, 745,337.28 and 325,225.44 is: 448,512.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,458.88 : 745,337.28 = 325,225.44 : x
  2. Step 2: Convert to fraction form
    540,458.88/745,337.28 = 325,225.44/x
  3. Step 3: Cross multiply
    540,458.88x = 745,337.28 × 325,225.44
  4. Step 4: Simplify right side
    540,458.88x = 242,402,644,836.40
  5. Step 5: Solve for x
    x = 242,402,644,836.40/540,458.88
  6. Step 6: Final answer
    x = 448,512.65

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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.