Home / 810,902.07-1,118,799.27-565,880.31

Finding the Fourth Proportional to 810,902.07, 1,118,799.27 and 565,880.31

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Solution

The fourth proportional to 810,902.07, 1,118,799.27 and 565,880.31 is: 780,743.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,902.07 : 1,118,799.27 = 565,880.31 : x
  2. Step 2: Convert to fraction form
    810,902.07/1,118,799.27 = 565,880.31/x
  3. Step 3: Cross multiply
    810,902.07x = 1,118,799.27 × 565,880.31
  4. Step 4: Simplify right side
    810,902.07x = 633,106,477,735.37
  5. Step 5: Solve for x
    x = 633,106,477,735.37/810,902.07
  6. Step 6: Final answer
    x = 780,743.45

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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.