Home / 672,271.10-927,734.14-366,347.40

Finding the Fourth Proportional to 672,271.10, 927,734.14 and 366,347.40

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Solution

The fourth proportional to 672,271.10, 927,734.14 and 366,347.40 is: 505,559.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,271.10 : 927,734.14 = 366,347.40 : x
  2. Step 2: Convert to fraction form
    672,271.10/927,734.14 = 366,347.40/x
  3. Step 3: Cross multiply
    672,271.10x = 927,734.14 × 366,347.40
  4. Step 4: Simplify right side
    672,271.10x = 339,872,990,080.24
  5. Step 5: Solve for x
    x = 339,872,990,080.24/672,271.10
  6. Step 6: Final answer
    x = 505,559.42

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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.