Home / 821,509.01-1,232,403.63-366,265.43

Finding the Fourth Proportional to 821,509.01, 1,232,403.63 and 366,265.43

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Solution

The fourth proportional to 821,509.01, 1,232,403.63 and 366,265.43 is: 549,460.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    821,509.01 : 1,232,403.63 = 366,265.43 : x
  2. Step 2: Convert to fraction form
    821,509.01/1,232,403.63 = 366,265.43/x
  3. Step 3: Cross multiply
    821,509.01x = 1,232,403.63 × 366,265.43
  4. Step 4: Simplify right side
    821,509.01x = 451,386,845,475.51
  5. Step 5: Solve for x
    x = 451,386,845,475.51/821,509.01
  6. Step 6: Final answer
    x = 549,460.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.