Home / 550,129.24-759,427.02-346,479.44

Finding the Fourth Proportional to 550,129.24, 759,427.02 and 346,479.44

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Solution

The fourth proportional to 550,129.24, 759,427.02 and 346,479.44 is: 478,298.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,129.24 : 759,427.02 = 346,479.44 : x
  2. Step 2: Convert to fraction form
    550,129.24/759,427.02 = 346,479.44/x
  3. Step 3: Cross multiply
    550,129.24x = 759,427.02 × 346,479.44
  4. Step 4: Simplify right side
    550,129.24x = 263,125,848,610.47
  5. Step 5: Solve for x
    x = 263,125,848,610.47/550,129.24
  6. Step 6: Final answer
    x = 478,298.24

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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.