Home / 349,746.40-524,619.60-265,765.60

Finding the Fourth Proportional to 349,746.40, 524,619.60 and 265,765.60

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Solution

The fourth proportional to 349,746.40, 524,619.60 and 265,765.60 is: 398,648.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,746.40 : 524,619.60 = 265,765.60 : x
  2. Step 2: Convert to fraction form
    349,746.40/524,619.60 = 265,765.60/x
  3. Step 3: Cross multiply
    349,746.40x = 524,619.60 × 265,765.60
  4. Step 4: Simplify right side
    349,746.40x = 139,425,842,765.76
  5. Step 5: Solve for x
    x = 139,425,842,765.76/349,746.40
  6. Step 6: Final answer
    x = 398,648.40

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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.