Home / 793,707.86-1,189,746.43-313,740.74

Finding the Fourth Proportional to 793,707.86, 1,189,746.43 and 313,740.74

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Solution

The fourth proportional to 793,707.86, 1,189,746.43 and 313,740.74 is: 470,288.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    793,707.86 : 1,189,746.43 = 313,740.74 : x
  2. Step 2: Convert to fraction form
    793,707.86/1,189,746.43 = 313,740.74/x
  3. Step 3: Cross multiply
    793,707.86x = 1,189,746.43 × 313,740.74
  4. Step 4: Simplify right side
    793,707.86x = 373,271,927,550.57
  5. Step 5: Solve for x
    x = 373,271,927,550.57/793,707.86
  6. Step 6: Final answer
    x = 470,288.81

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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.