Home / 772,920.60-1,066,640.94-578,984.74

Finding the Fourth Proportional to 772,920.60, 1,066,640.94 and 578,984.74

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Solution

The fourth proportional to 772,920.60, 1,066,640.94 and 578,984.74 is: 799,006.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,920.60 : 1,066,640.94 = 578,984.74 : x
  2. Step 2: Convert to fraction form
    772,920.60/1,066,640.94 = 578,984.74/x
  3. Step 3: Cross multiply
    772,920.60x = 1,066,640.94 × 578,984.74
  4. Step 4: Simplify right side
    772,920.60x = 617,568,827,319.26
  5. Step 5: Solve for x
    x = 617,568,827,319.26/772,920.60
  6. Step 6: Final answer
    x = 799,006.82

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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.