Home / 425,728.60-637,815.30-346,413.40

Finding the Fourth Proportional to 425,728.60, 637,815.30 and 346,413.40

Calculator

Solution

The fourth proportional to 425,728.60, 637,815.30 and 346,413.40 is: 518,987.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,728.60 : 637,815.30 = 346,413.40 : x
  2. Step 2: Convert to fraction form
    425,728.60/637,815.30 = 346,413.40/x
  3. Step 3: Cross multiply
    425,728.60x = 637,815.30 × 346,413.40
  4. Step 4: Simplify right side
    425,728.60x = 220,947,766,645.02
  5. Step 5: Solve for x
    x = 220,947,766,645.02/425,728.60
  6. Step 6: Final answer
    x = 518,987.37

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.