Home / 829,969.22-1,145,406.34-507,741.08

Finding the Fourth Proportional to 829,969.22, 1,145,406.34 and 507,741.08

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Solution

The fourth proportional to 829,969.22, 1,145,406.34 and 507,741.08 is: 700,712.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    829,969.22 : 1,145,406.34 = 507,741.08 : x
  2. Step 2: Convert to fraction form
    829,969.22/1,145,406.34 = 507,741.08/x
  3. Step 3: Cross multiply
    829,969.22x = 1,145,406.34 × 507,741.08
  4. Step 4: Simplify right side
    829,969.22x = 581,569,844,162.05
  5. Step 5: Solve for x
    x = 581,569,844,162.05/829,969.22
  6. Step 6: Final answer
    x = 700,712.55

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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.