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Finding the Fourth Proportional to 540,381.96, 745,732.64 and 295,373.72

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Solution

The fourth proportional to 540,381.96, 745,732.64 and 295,373.72 is: 407,618.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,381.96 : 745,732.64 = 295,373.72 : x
  2. Step 2: Convert to fraction form
    540,381.96/745,732.64 = 295,373.72/x
  3. Step 3: Cross multiply
    540,381.96x = 745,732.64 × 295,373.72
  4. Step 4: Simplify right side
    540,381.96x = 220,269,824,002.22
  5. Step 5: Solve for x
    x = 220,269,824,002.22/540,381.96
  6. Step 6: Final answer
    x = 407,618.76

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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.