Home / 753,460.20-1,131,065.10-433,866.60

Finding the Fourth Proportional to 753,460.20, 1,131,065.10 and 433,866.60

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Solution

The fourth proportional to 753,460.20, 1,131,065.10 and 433,866.60 is: 651,303.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,460.20 : 1,131,065.10 = 433,866.60 : x
  2. Step 2: Convert to fraction form
    753,460.20/1,131,065.10 = 433,866.60/x
  3. Step 3: Cross multiply
    753,460.20x = 1,131,065.10 × 433,866.60
  4. Step 4: Simplify right side
    753,460.20x = 490,731,369,315.66
  5. Step 5: Solve for x
    x = 490,731,369,315.66/753,460.20
  6. Step 6: Final answer
    x = 651,303.64

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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.