Home / 779,477.60-1,169,216.40-620,847.20

Finding the Fourth Proportional to 779,477.60, 1,169,216.40 and 620,847.20

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Solution

The fourth proportional to 779,477.60, 1,169,216.40 and 620,847.20 is: 931,270.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,477.60 : 1,169,216.40 = 620,847.20 : x
  2. Step 2: Convert to fraction form
    779,477.60/1,169,216.40 = 620,847.20/x
  3. Step 3: Cross multiply
    779,477.60x = 1,169,216.40 × 620,847.20
  4. Step 4: Simplify right side
    779,477.60x = 725,904,728,134.08
  5. Step 5: Solve for x
    x = 725,904,728,134.08/779,477.60
  6. Step 6: Final answer
    x = 931,270.80

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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.