Home / 772,851.78-1,066,317.41-500,931.14

Finding the Fourth Proportional to 772,851.78, 1,066,317.41 and 500,931.14

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Solution

The fourth proportional to 772,851.78, 1,066,317.41 and 500,931.14 is: 691,143.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,851.78 : 1,066,317.41 = 500,931.14 : x
  2. Step 2: Convert to fraction form
    772,851.78/1,066,317.41 = 500,931.14/x
  3. Step 3: Cross multiply
    772,851.78x = 1,066,317.41 × 500,931.14
  4. Step 4: Simplify right side
    772,851.78x = 534,151,591,713.89
  5. Step 5: Solve for x
    x = 534,151,591,713.89/772,851.78
  6. Step 6: Final answer
    x = 691,143.64

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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.