Home / 739,739.55-1,020,894.53-417,477.81

Finding the Fourth Proportional to 739,739.55, 1,020,894.53 and 417,477.81

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Solution

The fourth proportional to 739,739.55, 1,020,894.53 and 417,477.81 is: 576,149.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,739.55 : 1,020,894.53 = 417,477.81 : x
  2. Step 2: Convert to fraction form
    739,739.55/1,020,894.53 = 417,477.81/x
  3. Step 3: Cross multiply
    739,739.55x = 1,020,894.53 × 417,477.81
  4. Step 4: Simplify right side
    739,739.55x = 426,200,810,537.99
  5. Step 5: Solve for x
    x = 426,200,810,537.99/739,739.55
  6. Step 6: Final answer
    x = 576,149.82

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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.