Home / 821,914.18-1,232,291.72-316,050.15

Finding the Fourth Proportional to 821,914.18, 1,232,291.72 and 316,050.15

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Solution

The fourth proportional to 821,914.18, 1,232,291.72 and 316,050.15 is: 473,852.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    821,914.18 : 1,232,291.72 = 316,050.15 : x
  2. Step 2: Convert to fraction form
    821,914.18/1,232,291.72 = 316,050.15/x
  3. Step 3: Cross multiply
    821,914.18x = 1,232,291.72 × 316,050.15
  4. Step 4: Simplify right side
    821,914.18x = 389,465,975,208.05
  5. Step 5: Solve for x
    x = 389,465,975,208.05/821,914.18
  6. Step 6: Final answer
    x = 473,852.36

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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.