Home / 890,430.43-1,332,453.01-770,898.53

Finding the Fourth Proportional to 890,430.43, 1,332,453.01 and 770,898.53

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Solution

The fourth proportional to 890,430.43, 1,332,453.01 and 770,898.53 is: 1,153,583.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,430.43 : 1,332,453.01 = 770,898.53 : x
  2. Step 2: Convert to fraction form
    890,430.43/1,332,453.01 = 770,898.53/x
  3. Step 3: Cross multiply
    890,430.43x = 1,332,453.01 × 770,898.53
  4. Step 4: Simplify right side
    890,430.43x = 1,027,186,066,703.08
  5. Step 5: Solve for x
    x = 1,027,186,066,703.08/890,430.43
  6. Step 6: Final answer
    x = 1,153,583.74

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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.