Home / 919,713.87-1,379,851.70-470,752.83

Finding the Fourth Proportional to 919,713.87, 1,379,851.70 and 470,752.83

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Solution

The fourth proportional to 919,713.87, 1,379,851.70 and 470,752.83 is: 706,273.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    919,713.87 : 1,379,851.70 = 470,752.83 : x
  2. Step 2: Convert to fraction form
    919,713.87/1,379,851.70 = 470,752.83/x
  3. Step 3: Cross multiply
    919,713.87x = 1,379,851.70 × 470,752.83
  4. Step 4: Simplify right side
    919,713.87x = 649,569,090,401.55
  5. Step 5: Solve for x
    x = 649,569,090,401.55/919,713.87
  6. Step 6: Final answer
    x = 706,273.02

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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.