Home / 709,477.60-1,064,216.40-689,794.60

Finding the Fourth Proportional to 709,477.60, 1,064,216.40 and 689,794.60

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Solution

The fourth proportional to 709,477.60, 1,064,216.40 and 689,794.60 is: 1,034,691.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    709,477.60 : 1,064,216.40 = 689,794.60 : x
  2. Step 2: Convert to fraction form
    709,477.60/1,064,216.40 = 689,794.60/x
  3. Step 3: Cross multiply
    709,477.60x = 1,064,216.40 × 689,794.60
  4. Step 4: Simplify right side
    709,477.60x = 734,090,725,951.44
  5. Step 5: Solve for x
    x = 734,090,725,951.44/709,477.60
  6. Step 6: Final answer
    x = 1,034,691.90

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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.