Home / 868,690.43-1,303,490.01-630,769.67

Finding the Fourth Proportional to 868,690.43, 1,303,490.01 and 630,769.67

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Solution

The fourth proportional to 868,690.43, 1,303,490.01 and 630,769.67 is: 946,484.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    868,690.43 : 1,303,490.01 = 630,769.67 : x
  2. Step 2: Convert to fraction form
    868,690.43/1,303,490.01 = 630,769.67/x
  3. Step 3: Cross multiply
    868,690.43x = 1,303,490.01 × 630,769.67
  4. Step 4: Simplify right side
    868,690.43x = 822,201,956,938.55
  5. Step 5: Solve for x
    x = 822,201,956,938.55/868,690.43
  6. Step 6: Final answer
    x = 946,484.42

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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.