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Finding the Fourth Proportional to 540,104.80, 745,359.66 and 298,402.96

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Solution

The fourth proportional to 540,104.80, 745,359.66 and 298,402.96 is: 411,804.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,104.80 : 745,359.66 = 298,402.96 : x
  2. Step 2: Convert to fraction form
    540,104.80/745,359.66 = 298,402.96/x
  3. Step 3: Cross multiply
    540,104.80x = 745,359.66 × 298,402.96
  4. Step 4: Simplify right side
    540,104.80x = 222,417,528,808.59
  5. Step 5: Solve for x
    x = 222,417,528,808.59/540,104.80
  6. Step 6: Final answer
    x = 411,804.39

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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.