Home / 772,853.28-1,066,319.48-500,932.64

Finding the Fourth Proportional to 772,853.28, 1,066,319.48 and 500,932.64

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Solution

The fourth proportional to 772,853.28, 1,066,319.48 and 500,932.64 is: 691,145.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,853.28 : 1,066,319.48 = 500,932.64 : x
  2. Step 2: Convert to fraction form
    772,853.28/1,066,319.48 = 500,932.64/x
  3. Step 3: Cross multiply
    772,853.28x = 1,066,319.48 × 500,932.64
  4. Step 4: Simplify right side
    772,853.28x = 534,154,224,363.57
  5. Step 5: Solve for x
    x = 534,154,224,363.57/772,853.28
  6. Step 6: Final answer
    x = 691,145.70

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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.