Home / 983,764.90-1,475,647.35-485,064.10

Finding the Fourth Proportional to 983,764.90, 1,475,647.35 and 485,064.10

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Solution

The fourth proportional to 983,764.90, 1,475,647.35 and 485,064.10 is: 727,596.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    983,764.90 : 1,475,647.35 = 485,064.10 : x
  2. Step 2: Convert to fraction form
    983,764.90/1,475,647.35 = 485,064.10/x
  3. Step 3: Cross multiply
    983,764.90x = 1,475,647.35 × 485,064.10
  4. Step 4: Simplify right side
    983,764.90x = 715,783,553,745.14
  5. Step 5: Solve for x
    x = 715,783,553,745.14/983,764.90
  6. Step 6: Final answer
    x = 727,596.15

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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.