Home / 672,984.70-1,010,351.85-540,015.10

Finding the Fourth Proportional to 672,984.70, 1,010,351.85 and 540,015.10

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Solution

The fourth proportional to 672,984.70, 1,010,351.85 and 540,015.10 is: 810,724.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,984.70 : 1,010,351.85 = 540,015.10 : x
  2. Step 2: Convert to fraction form
    672,984.70/1,010,351.85 = 540,015.10/x
  3. Step 3: Cross multiply
    672,984.70x = 1,010,351.85 × 540,015.10
  4. Step 4: Simplify right side
    672,984.70x = 545,605,255,312.94
  5. Step 5: Solve for x
    x = 545,605,255,312.94/672,984.70
  6. Step 6: Final answer
    x = 810,724.61

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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.