Home / 485,890.23-670,528.15-271,030.24

Finding the Fourth Proportional to 485,890.23, 670,528.15 and 271,030.24

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Solution

The fourth proportional to 485,890.23, 670,528.15 and 271,030.24 is: 374,021.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    485,890.23 : 670,528.15 = 271,030.24 : x
  2. Step 2: Convert to fraction form
    485,890.23/670,528.15 = 271,030.24/x
  3. Step 3: Cross multiply
    485,890.23x = 670,528.15 × 271,030.24
  4. Step 4: Simplify right side
    485,890.23x = 181,733,405,421.26
  5. Step 5: Solve for x
    x = 181,733,405,421.26/485,890.23
  6. Step 6: Final answer
    x = 374,021.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.