Home / 818,373.50-1,129,390.64-455,797.52

Finding the Fourth Proportional to 818,373.50, 1,129,390.64 and 455,797.52

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Solution

The fourth proportional to 818,373.50, 1,129,390.64 and 455,797.52 is: 629,020.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    818,373.50 : 1,129,390.64 = 455,797.52 : x
  2. Step 2: Convert to fraction form
    818,373.50/1,129,390.64 = 455,797.52/x
  3. Step 3: Cross multiply
    818,373.50x = 1,129,390.64 × 455,797.52
  4. Step 4: Simplify right side
    818,373.50x = 514,773,452,823.21
  5. Step 5: Solve for x
    x = 514,773,452,823.21/818,373.50
  6. Step 6: Final answer
    x = 629,020.19

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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.