Home / 553,623.90-764,000.98-298,975.08

Finding the Fourth Proportional to 553,623.90, 764,000.98 and 298,975.08

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Solution

The fourth proportional to 553,623.90, 764,000.98 and 298,975.08 is: 412,585.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    553,623.90 : 764,000.98 = 298,975.08 : x
  2. Step 2: Convert to fraction form
    553,623.90/764,000.98 = 298,975.08/x
  3. Step 3: Cross multiply
    553,623.90x = 764,000.98 × 298,975.08
  4. Step 4: Simplify right side
    553,623.90x = 228,417,254,115.58
  5. Step 5: Solve for x
    x = 228,417,254,115.58/553,623.90
  6. Step 6: Final answer
    x = 412,585.61

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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.