Home / 877,313.58-1,316,017.14-278,322.63

Finding the Fourth Proportional to 877,313.58, 1,316,017.14 and 278,322.63

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Solution

The fourth proportional to 877,313.58, 1,316,017.14 and 278,322.63 is: 417,498.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,313.58 : 1,316,017.14 = 278,322.63 : x
  2. Step 2: Convert to fraction form
    877,313.58/1,316,017.14 = 278,322.63/x
  3. Step 3: Cross multiply
    877,313.58x = 1,316,017.14 × 278,322.63
  4. Step 4: Simplify right side
    877,313.58x = 366,277,351,529.88
  5. Step 5: Solve for x
    x = 366,277,351,529.88/877,313.58
  6. Step 6: Final answer
    x = 417,498.78

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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.