Home / 727,672.80-1,091,509.20-541,048.80

Finding the Fourth Proportional to 727,672.80, 1,091,509.20 and 541,048.80

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Solution

The fourth proportional to 727,672.80, 1,091,509.20 and 541,048.80 is: 811,573.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,672.80 : 1,091,509.20 = 541,048.80 : x
  2. Step 2: Convert to fraction form
    727,672.80/1,091,509.20 = 541,048.80/x
  3. Step 3: Cross multiply
    727,672.80x = 1,091,509.20 × 541,048.80
  4. Step 4: Simplify right side
    727,672.80x = 590,559,742,848.96
  5. Step 5: Solve for x
    x = 590,559,742,848.96/727,672.80
  6. Step 6: Final answer
    x = 811,573.20

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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.