Home / 837,477.84-1,155,905.42-510,863.03

Finding the Fourth Proportional to 837,477.84, 1,155,905.42 and 510,863.03

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Solution

The fourth proportional to 837,477.84, 1,155,905.42 and 510,863.03 is: 705,104.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    837,477.84 : 1,155,905.42 = 510,863.03 : x
  2. Step 2: Convert to fraction form
    837,477.84/1,155,905.42 = 510,863.03/x
  3. Step 3: Cross multiply
    837,477.84x = 1,155,905.42 × 510,863.03
  4. Step 4: Simplify right side
    837,477.84x = 590,509,336,920.78
  5. Step 5: Solve for x
    x = 590,509,336,920.78/837,477.84
  6. Step 6: Final answer
    x = 705,104.43

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1.5x scale

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.