Home / 749,479.86-1,124,648.30-317,163.27

Finding the Fourth Proportional to 749,479.86, 1,124,648.30 and 317,163.27

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Solution

The fourth proportional to 749,479.86, 1,124,648.30 and 317,163.27 is: 475,926.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,479.86 : 1,124,648.30 = 317,163.27 : x
  2. Step 2: Convert to fraction form
    749,479.86/1,124,648.30 = 317,163.27/x
  3. Step 3: Cross multiply
    749,479.86x = 1,124,648.30 × 317,163.27
  4. Step 4: Simplify right side
    749,479.86x = 356,697,126,804.70
  5. Step 5: Solve for x
    x = 356,697,126,804.70/749,479.86
  6. Step 6: Final answer
    x = 475,926.24

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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.