Home / 890,615.56-1,332,769.50-553,814.60

Finding the Fourth Proportional to 890,615.56, 1,332,769.50 and 553,814.60

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Solution

The fourth proportional to 890,615.56, 1,332,769.50 and 553,814.60 is: 828,760.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,615.56 : 1,332,769.50 = 553,814.60 : x
  2. Step 2: Convert to fraction form
    890,615.56/1,332,769.50 = 553,814.60/x
  3. Step 3: Cross multiply
    890,615.56x = 1,332,769.50 × 553,814.60
  4. Step 4: Simplify right side
    890,615.56x = 738,107,207,534.70
  5. Step 5: Solve for x
    x = 738,107,207,534.70/890,615.56
  6. Step 6: Final answer
    x = 828,760.74

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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.