Home / 553,621.90-763,998.22-298,973.07

Finding the Fourth Proportional to 553,621.90, 763,998.22 and 298,973.07

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Solution

The fourth proportional to 553,621.90, 763,998.22 and 298,973.07 is: 412,582.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    553,621.90 : 763,998.22 = 298,973.07 : x
  2. Step 2: Convert to fraction form
    553,621.90/763,998.22 = 298,973.07/x
  3. Step 3: Cross multiply
    553,621.90x = 763,998.22 × 298,973.07
  4. Step 4: Simplify right side
    553,621.90x = 228,414,893,307.94
  5. Step 5: Solve for x
    x = 228,414,893,307.94/553,621.90
  6. Step 6: Final answer
    x = 412,582.84

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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.