Home / 957,658.80-1,436,488.20-485,266.80

Finding the Fourth Proportional to 957,658.80, 1,436,488.20 and 485,266.80

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Solution

The fourth proportional to 957,658.80, 1,436,488.20 and 485,266.80 is: 727,900.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    957,658.80 : 1,436,488.20 = 485,266.80 : x
  2. Step 2: Convert to fraction form
    957,658.80/1,436,488.20 = 485,266.80/x
  3. Step 3: Cross multiply
    957,658.80x = 1,436,488.20 × 485,266.80
  4. Step 4: Simplify right side
    957,658.80x = 697,080,032,051.76
  5. Step 5: Solve for x
    x = 697,080,032,051.76/957,658.80
  6. Step 6: Final answer
    x = 727,900.20

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Double scale
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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.