Home / 875,458.22-1,208,694.63-549,218.53

Finding the Fourth Proportional to 875,458.22, 1,208,694.63 and 549,218.53

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Solution

The fourth proportional to 875,458.22, 1,208,694.63 and 549,218.53 is: 758,274.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,458.22 : 1,208,694.63 = 549,218.53 : x
  2. Step 2: Convert to fraction form
    875,458.22/1,208,694.63 = 549,218.53/x
  3. Step 3: Cross multiply
    875,458.22x = 1,208,694.63 × 549,218.53
  4. Step 4: Simplify right side
    875,458.22x = 663,837,486,945.33
  5. Step 5: Solve for x
    x = 663,837,486,945.33/875,458.22
  6. Step 6: Final answer
    x = 758,274.32

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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.