Home / 890,657.10-1,336,820.85-470,234.70

Finding the Fourth Proportional to 890,657.10, 1,336,820.85 and 470,234.70

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Solution

The fourth proportional to 890,657.10, 1,336,820.85 and 470,234.70 is: 705,793.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,657.10 : 1,336,820.85 = 470,234.70 : x
  2. Step 2: Convert to fraction form
    890,657.10/1,336,820.85 = 470,234.70/x
  3. Step 3: Cross multiply
    890,657.10x = 1,336,820.85 × 470,234.70
  4. Step 4: Simplify right side
    890,657.10x = 628,619,551,353.50
  5. Step 5: Solve for x
    x = 628,619,551,353.50/890,657.10
  6. Step 6: Final answer
    x = 705,793.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.