Home / 545,151.44-752,303.24-303,430.16

Finding the Fourth Proportional to 545,151.44, 752,303.24 and 303,430.16

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Solution

The fourth proportional to 545,151.44, 752,303.24 and 303,430.16 is: 418,730.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,151.44 : 752,303.24 = 303,430.16 : x
  2. Step 2: Convert to fraction form
    545,151.44/752,303.24 = 303,430.16/x
  3. Step 3: Cross multiply
    545,151.44x = 752,303.24 × 303,430.16
  4. Step 4: Simplify right side
    545,151.44x = 228,271,492,481.72
  5. Step 5: Solve for x
    x = 228,271,492,481.72/545,151.44
  6. Step 6: Final answer
    x = 418,730.42

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Double scale
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Similar ratio
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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.