Home / 781,153.61-1,170,666.29-477,654.05

Finding the Fourth Proportional to 781,153.61, 1,170,666.29 and 477,654.05

Calculator

Solution

The fourth proportional to 781,153.61, 1,170,666.29 and 477,654.05 is: 715,830.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    781,153.61 : 1,170,666.29 = 477,654.05 : x
  2. Step 2: Convert to fraction form
    781,153.61/1,170,666.29 = 477,654.05/x
  3. Step 3: Cross multiply
    781,153.61x = 1,170,666.29 × 477,654.05
  4. Step 4: Simplify right side
    781,153.61x = 559,173,492,152.78
  5. Step 5: Solve for x
    x = 559,173,492,152.78/781,153.61
  6. Step 6: Final answer
    x = 715,830.39

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.