Home / 772,918.61-1,066,638.17-578,982.74

Finding the Fourth Proportional to 772,918.61, 1,066,638.17 and 578,982.74

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Solution

The fourth proportional to 772,918.61, 1,066,638.17 and 578,982.74 is: 799,004.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,918.61 : 1,066,638.17 = 578,982.74 : x
  2. Step 2: Convert to fraction form
    772,918.61/1,066,638.17 = 578,982.74/x
  3. Step 3: Cross multiply
    772,918.61x = 1,066,638.17 × 578,982.74
  4. Step 4: Simplify right side
    772,918.61x = 617,565,086,369.45
  5. Step 5: Solve for x
    x = 617,565,086,369.45/772,918.61
  6. Step 6: Final answer
    x = 799,004.04

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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.