Home / 684,006.40-1,026,009.60-613,147.60

Finding the Fourth Proportional to 684,006.40, 1,026,009.60 and 613,147.60

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Solution

The fourth proportional to 684,006.40, 1,026,009.60 and 613,147.60 is: 919,721.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,006.40 : 1,026,009.60 = 613,147.60 : x
  2. Step 2: Convert to fraction form
    684,006.40/1,026,009.60 = 613,147.60/x
  3. Step 3: Cross multiply
    684,006.40x = 1,026,009.60 × 613,147.60
  4. Step 4: Simplify right side
    684,006.40x = 629,095,323,816.96
  5. Step 5: Solve for x
    x = 629,095,323,816.96/684,006.40
  6. Step 6: Final answer
    x = 919,721.40

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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.