Home / 772,780.50-1,066,074.21-546,550.74

Finding the Fourth Proportional to 772,780.50, 1,066,074.21 and 546,550.74

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Solution

The fourth proportional to 772,780.50, 1,066,074.21 and 546,550.74 is: 753,983.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,780.50 : 1,066,074.21 = 546,550.74 : x
  2. Step 2: Convert to fraction form
    772,780.50/1,066,074.21 = 546,550.74/x
  3. Step 3: Cross multiply
    772,780.50x = 1,066,074.21 × 546,550.74
  4. Step 4: Simplify right side
    772,780.50x = 582,663,648,370.42
  5. Step 5: Solve for x
    x = 582,663,648,370.42/772,780.50
  6. Step 6: Final answer
    x = 753,983.37

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Double scale
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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.