Home / 902,085.95-1,244,406.60-557,811.83

Finding the Fourth Proportional to 902,085.95, 1,244,406.60 and 557,811.83

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Solution

The fourth proportional to 902,085.95, 1,244,406.60 and 557,811.83 is: 769,488.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    902,085.95 : 1,244,406.60 = 557,811.83 : x
  2. Step 2: Convert to fraction form
    902,085.95/1,244,406.60 = 557,811.83/x
  3. Step 3: Cross multiply
    902,085.95x = 1,244,406.60 × 557,811.83
  4. Step 4: Simplify right side
    902,085.95x = 694,144,716,588.05
  5. Step 5: Solve for x
    x = 694,144,716,588.05/902,085.95
  6. Step 6: Final answer
    x = 769,488.45

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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.