Home / 884,300.93-1,326,731.77-315,669.84

Finding the Fourth Proportional to 884,300.93, 1,326,731.77 and 315,669.84

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Solution

The fourth proportional to 884,300.93, 1,326,731.77 and 315,669.84 is: 473,604.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    884,300.93 : 1,326,731.77 = 315,669.84 : x
  2. Step 2: Convert to fraction form
    884,300.93/1,326,731.77 = 315,669.84/x
  3. Step 3: Cross multiply
    884,300.93x = 1,326,731.77 × 315,669.84
  4. Step 4: Simplify right side
    884,300.93x = 418,809,197,346.81
  5. Step 5: Solve for x
    x = 418,809,197,346.81/884,300.93
  6. Step 6: Final answer
    x = 473,604.84

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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.