Home / 356,431.80-533,999.70-282,041.40

Finding the Fourth Proportional to 356,431.80, 533,999.70 and 282,041.40

Calculator

Solution

The fourth proportional to 356,431.80, 533,999.70 and 282,041.40 is: 422,549.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,431.80 : 533,999.70 = 282,041.40 : x
  2. Step 2: Convert to fraction form
    356,431.80/533,999.70 = 282,041.40/x
  3. Step 3: Cross multiply
    356,431.80x = 533,999.70 × 282,041.40
  4. Step 4: Simplify right side
    356,431.80x = 150,610,022,987.58
  5. Step 5: Solve for x
    x = 150,610,022,987.58/356,431.80
  6. Step 6: Final answer
    x = 422,549.34

Related Problems

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.