Home / 869,399.36-1,199,886.72-506,830.40

Finding the Fourth Proportional to 869,399.36, 1,199,886.72 and 506,830.40

Calculator

Solution

The fourth proportional to 869,399.36, 1,199,886.72 and 506,830.40 is: 699,493.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,399.36 : 1,199,886.72 = 506,830.40 : x
  2. Step 2: Convert to fraction form
    869,399.36/1,199,886.72 = 506,830.40/x
  3. Step 3: Cross multiply
    869,399.36x = 1,199,886.72 × 506,830.40
  4. Step 4: Simplify right side
    869,399.36x = 608,139,066,252.29
  5. Step 5: Solve for x
    x = 608,139,066,252.29/869,399.36
  6. Step 6: Final answer
    x = 699,493.34

Related Problems

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.