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Finding the Fourth Proportional to 540,506.69, 810,126.64 and 220,458.77

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Solution

The fourth proportional to 540,506.69, 810,126.64 and 220,458.77 is: 330,429.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,506.69 : 810,126.64 = 220,458.77 : x
  2. Step 2: Convert to fraction form
    540,506.69/810,126.64 = 220,458.77/x
  3. Step 3: Cross multiply
    540,506.69x = 810,126.64 × 220,458.77
  4. Step 4: Simplify right side
    540,506.69x = 178,599,522,598.63
  5. Step 5: Solve for x
    x = 178,599,522,598.63/540,506.69
  6. Step 6: Final answer
    x = 330,429.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.