Home / 877,322.58-1,316,030.64-278,331.66

Finding the Fourth Proportional to 877,322.58, 1,316,030.64 and 278,331.66

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Solution

The fourth proportional to 877,322.58, 1,316,030.64 and 278,331.66 is: 417,512.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,322.58 : 1,316,030.64 = 278,331.66 : x
  2. Step 2: Convert to fraction form
    877,322.58/1,316,030.64 = 278,331.66/x
  3. Step 3: Cross multiply
    877,322.58x = 1,316,030.64 × 278,331.66
  4. Step 4: Simplify right side
    877,322.58x = 366,292,992,642.06
  5. Step 5: Solve for x
    x = 366,292,992,642.06/877,322.58
  6. Step 6: Final answer
    x = 417,512.33

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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.