Home / 889,430.67-1,332,472.05-439,624.94

Finding the Fourth Proportional to 889,430.67, 1,332,472.05 and 439,624.94

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Solution

The fourth proportional to 889,430.67, 1,332,472.05 and 439,624.94 is: 658,610.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,430.67 : 1,332,472.05 = 439,624.94 : x
  2. Step 2: Convert to fraction form
    889,430.67/1,332,472.05 = 439,624.94/x
  3. Step 3: Cross multiply
    889,430.67x = 1,332,472.05 × 439,624.94
  4. Step 4: Simplify right side
    889,430.67x = 585,787,938,370.57
  5. Step 5: Solve for x
    x = 585,787,938,370.57/889,430.67
  6. Step 6: Final answer
    x = 658,610.01

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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.