Home / 854,115.55-1,178,693.47-509,981.57

Finding the Fourth Proportional to 854,115.55, 1,178,693.47 and 509,981.57

Calculator

Solution

The fourth proportional to 854,115.55, 1,178,693.47 and 509,981.57 is: 703,782.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    854,115.55 : 1,178,693.47 = 509,981.57 : x
  2. Step 2: Convert to fraction form
    854,115.55/1,178,693.47 = 509,981.57/x
  3. Step 3: Cross multiply
    854,115.55x = 1,178,693.47 × 509,981.57
  4. Step 4: Simplify right side
    854,115.55x = 601,111,945,543.46
  5. Step 5: Solve for x
    x = 601,111,945,543.46/854,115.55
  6. Step 6: Final answer
    x = 703,782.93

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.