Home / 821,238.51-1,132,684.65-706,710.18

Finding the Fourth Proportional to 821,238.51, 1,132,684.65 and 706,710.18

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Solution

The fourth proportional to 821,238.51, 1,132,684.65 and 706,710.18 is: 974,722.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    821,238.51 : 1,132,684.65 = 706,710.18 : x
  2. Step 2: Convert to fraction form
    821,238.51/1,132,684.65 = 706,710.18/x
  3. Step 3: Cross multiply
    821,238.51x = 1,132,684.65 × 706,710.18
  4. Step 4: Simplify right side
    821,238.51x = 800,479,772,884.74
  5. Step 5: Solve for x
    x = 800,479,772,884.74/821,238.51
  6. Step 6: Final answer
    x = 974,722.65

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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.