Home / 749,357.50-1,034,114.16-409,826.56

Finding the Fourth Proportional to 749,357.50, 1,034,114.16 and 409,826.56

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Solution

The fourth proportional to 749,357.50, 1,034,114.16 and 409,826.56 is: 565,561.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,357.50 : 1,034,114.16 = 409,826.56 : x
  2. Step 2: Convert to fraction form
    749,357.50/1,034,114.16 = 409,826.56/x
  3. Step 3: Cross multiply
    749,357.50x = 1,034,114.16 × 409,826.56
  4. Step 4: Simplify right side
    749,357.50x = 423,807,448,840.09
  5. Step 5: Solve for x
    x = 423,807,448,840.09/749,357.50
  6. Step 6: Final answer
    x = 565,561.10

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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.