Home / 785,365.98-1,083,804.40-445,834.23

Finding the Fourth Proportional to 785,365.98, 1,083,804.40 and 445,834.23

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Solution

The fourth proportional to 785,365.98, 1,083,804.40 and 445,834.23 is: 615,250.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    785,365.98 : 1,083,804.40 = 445,834.23 : x
  2. Step 2: Convert to fraction form
    785,365.98/1,083,804.40 = 445,834.23/x
  3. Step 3: Cross multiply
    785,365.98x = 1,083,804.40 × 445,834.23
  4. Step 4: Simplify right side
    785,365.98x = 483,197,096,637.64
  5. Step 5: Solve for x
    x = 483,197,096,637.64/785,365.98
  6. Step 6: Final answer
    x = 615,250.87

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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.