Home / 550,421.28-759,258.77-346,148.19

Finding the Fourth Proportional to 550,421.28, 759,258.77 and 346,148.19

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Solution

The fourth proportional to 550,421.28, 759,258.77 and 346,148.19 is: 477,481.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,421.28 : 759,258.77 = 346,148.19 : x
  2. Step 2: Convert to fraction form
    550,421.28/759,258.77 = 346,148.19/x
  3. Step 3: Cross multiply
    550,421.28x = 759,258.77 × 346,148.19
  4. Step 4: Simplify right side
    550,421.28x = 262,816,048,977.13
  5. Step 5: Solve for x
    x = 262,816,048,977.13/550,421.28
  6. Step 6: Final answer
    x = 477,481.63

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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.