Home / 349,743.60-524,615.40-320,583.60

Finding the Fourth Proportional to 349,743.60, 524,615.40 and 320,583.60

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Solution

The fourth proportional to 349,743.60, 524,615.40 and 320,583.60 is: 480,875.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,743.60 : 524,615.40 = 320,583.60 : x
  2. Step 2: Convert to fraction form
    349,743.60/524,615.40 = 320,583.60/x
  3. Step 3: Cross multiply
    349,743.60x = 524,615.40 × 320,583.60
  4. Step 4: Simplify right side
    349,743.60x = 168,183,093,547.44
  5. Step 5: Solve for x
    x = 168,183,093,547.44/349,743.60
  6. Step 6: Final answer
    x = 480,875.40

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.