Home / 875,406.86-1,313,701.79-306,793.69

Finding the Fourth Proportional to 875,406.86, 1,313,701.79 and 306,793.69

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Solution

The fourth proportional to 875,406.86, 1,313,701.79 and 306,793.69 is: 460,397.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,406.86 : 1,313,701.79 = 306,793.69 : x
  2. Step 2: Convert to fraction form
    875,406.86/1,313,701.79 = 306,793.69/x
  3. Step 3: Cross multiply
    875,406.86x = 1,313,701.79 × 306,793.69
  4. Step 4: Simplify right side
    875,406.86x = 403,035,424,010.77
  5. Step 5: Solve for x
    x = 403,035,424,010.77/875,406.86
  6. Step 6: Final answer
    x = 460,397.84

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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.