Home / 522,477.21-721,026.45-293,085.35

Finding the Fourth Proportional to 522,477.21, 721,026.45 and 293,085.35

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Solution

The fourth proportional to 522,477.21, 721,026.45 and 293,085.35 is: 404,462.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,477.21 : 721,026.45 = 293,085.35 : x
  2. Step 2: Convert to fraction form
    522,477.21/721,026.45 = 293,085.35/x
  3. Step 3: Cross multiply
    522,477.21x = 721,026.45 × 293,085.35
  4. Step 4: Simplify right side
    522,477.21x = 211,322,285,852.38
  5. Step 5: Solve for x
    x = 211,322,285,852.38/522,477.21
  6. Step 6: Final answer
    x = 404,462.21

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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.