Home / 872,868.06-1,204,460.01-490,886.64

Finding the Fourth Proportional to 872,868.06, 1,204,460.01 and 490,886.64

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Solution

The fourth proportional to 872,868.06, 1,204,460.01 and 490,886.64 is: 677,368.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    872,868.06 : 1,204,460.01 = 490,886.64 : x
  2. Step 2: Convert to fraction form
    872,868.06/1,204,460.01 = 490,886.64/x
  3. Step 3: Cross multiply
    872,868.06x = 1,204,460.01 × 490,886.64
  4. Step 4: Simplify right side
    872,868.06x = 591,253,327,323.27
  5. Step 5: Solve for x
    x = 591,253,327,323.27/872,868.06
  6. Step 6: Final answer
    x = 677,368.50

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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.