Home / 837,479.03-1,155,664.19-455,497.61

Finding the Fourth Proportional to 837,479.03, 1,155,664.19 and 455,497.61

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Solution

The fourth proportional to 837,479.03, 1,155,664.19 and 455,497.61 is: 628,555.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    837,479.03 : 1,155,664.19 = 455,497.61 : x
  2. Step 2: Convert to fraction form
    837,479.03/1,155,664.19 = 455,497.61/x
  3. Step 3: Cross multiply
    837,479.03x = 1,155,664.19 × 455,497.61
  4. Step 4: Simplify right side
    837,479.03x = 526,402,271,868.01
  5. Step 5: Solve for x
    x = 526,402,271,868.01/837,479.03
  6. Step 6: Final answer
    x = 628,555.77

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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.