Home / 730,793.94-1,008,492.69-408,503.85

Finding the Fourth Proportional to 730,793.94, 1,008,492.69 and 408,503.85

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Solution

The fourth proportional to 730,793.94, 1,008,492.69 and 408,503.85 is: 563,733.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    730,793.94 : 1,008,492.69 = 408,503.85 : x
  2. Step 2: Convert to fraction form
    730,793.94/1,008,492.69 = 408,503.85/x
  3. Step 3: Cross multiply
    730,793.94x = 1,008,492.69 × 408,503.85
  4. Step 4: Simplify right side
    730,793.94x = 411,973,146,561.86
  5. Step 5: Solve for x
    x = 411,973,146,561.86/730,793.94
  6. Step 6: Final answer
    x = 563,733.67

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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.