Home / 878,014.32-1,316,991.60-372,249.72

Finding the Fourth Proportional to 878,014.32, 1,316,991.60 and 372,249.72

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Solution

The fourth proportional to 878,014.32, 1,316,991.60 and 372,249.72 is: 558,361.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    878,014.32 : 1,316,991.60 = 372,249.72 : x
  2. Step 2: Convert to fraction form
    878,014.32/1,316,991.60 = 372,249.72/x
  3. Step 3: Cross multiply
    878,014.32x = 1,316,991.60 × 372,249.72
  4. Step 4: Simplify right side
    878,014.32x = 490,249,754,342.35
  5. Step 5: Solve for x
    x = 490,249,754,342.35/878,014.32
  6. Step 6: Final answer
    x = 558,361.91

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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.