Home / 890,417.30-1,332,433.34-770,885.40

Finding the Fourth Proportional to 890,417.30, 1,332,433.34 and 770,885.40

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Solution

The fourth proportional to 890,417.30, 1,332,433.34 and 770,885.40 is: 1,153,564.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,417.30 : 1,332,433.34 = 770,885.40 : x
  2. Step 2: Convert to fraction form
    890,417.30/1,332,433.34 = 770,885.40/x
  3. Step 3: Cross multiply
    890,417.30x = 1,332,433.34 × 770,885.40
  4. Step 4: Simplify right side
    890,417.30x = 1,027,153,404,424.81
  5. Step 5: Solve for x
    x = 1,027,153,404,424.81/890,417.30
  6. Step 6: Final answer
    x = 1,153,564.07

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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.