Home / 660,142.44-911,011.05-402,031.49

Finding the Fourth Proportional to 660,142.44, 911,011.05 and 402,031.49

Calculator

Solution

The fourth proportional to 660,142.44, 911,011.05 and 402,031.49 is: 554,812.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    660,142.44 : 911,011.05 = 402,031.49 : x
  2. Step 2: Convert to fraction form
    660,142.44/911,011.05 = 402,031.49/x
  3. Step 3: Cross multiply
    660,142.44x = 911,011.05 × 402,031.49
  4. Step 4: Simplify right side
    660,142.44x = 366,255,125,282.91
  5. Step 5: Solve for x
    x = 366,255,125,282.91/660,142.44
  6. Step 6: Final answer
    x = 554,812.27

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.