Home / 837,314.69-1,155,483.43-455,333.27

Finding the Fourth Proportional to 837,314.69, 1,155,483.43 and 455,333.27

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Solution

The fourth proportional to 837,314.69, 1,155,483.43 and 455,333.27 is: 628,354.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    837,314.69 : 1,155,483.43 = 455,333.27 : x
  2. Step 2: Convert to fraction form
    837,314.69/1,155,483.43 = 455,333.27/x
  3. Step 3: Cross multiply
    837,314.69x = 1,155,483.43 × 455,333.27
  4. Step 4: Simplify right side
    837,314.69x = 526,130,041,696.97
  5. Step 5: Solve for x
    x = 526,130,041,696.97/837,314.69
  6. Step 6: Final answer
    x = 628,354.01

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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.