Home / 772,950.40-1,159,425.60-457,244.80

Finding the Fourth Proportional to 772,950.40, 1,159,425.60 and 457,244.80

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Solution

The fourth proportional to 772,950.40, 1,159,425.60 and 457,244.80 is: 685,867.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,950.40 : 1,159,425.60 = 457,244.80 : x
  2. Step 2: Convert to fraction form
    772,950.40/1,159,425.60 = 457,244.80/x
  3. Step 3: Cross multiply
    772,950.40x = 1,159,425.60 × 457,244.80
  4. Step 4: Simplify right side
    772,950.40x = 530,141,326,586.88
  5. Step 5: Solve for x
    x = 530,141,326,586.88/772,950.40
  6. Step 6: Final answer
    x = 685,867.20

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Similar ratio
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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.