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Finding the Fourth Proportional to 550,367.16, 759,184.32 and 346,094.88

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Solution

The fourth proportional to 550,367.16, 759,184.32 and 346,094.88 is: 477,408.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,367.16 : 759,184.32 = 346,094.88 : x
  2. Step 2: Convert to fraction form
    550,367.16/759,184.32 = 346,094.88/x
  3. Step 3: Cross multiply
    550,367.16x = 759,184.32 × 346,094.88
  4. Step 4: Simplify right side
    550,367.16x = 262,749,806,128.28
  5. Step 5: Solve for x
    x = 262,749,806,128.28/550,367.16
  6. Step 6: Final answer
    x = 477,408.22

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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.