Home / 651,974.60-978,196.80-292,115.90

Finding the Fourth Proportional to 651,974.60, 978,196.80 and 292,115.90

Calculator

Solution

The fourth proportional to 651,974.60, 978,196.80 and 292,115.90 is: 438,279.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,974.60 : 978,196.80 = 292,115.90 : x
  2. Step 2: Convert to fraction form
    651,974.60/978,196.80 = 292,115.90/x
  3. Step 3: Cross multiply
    651,974.60x = 978,196.80 × 292,115.90
  4. Step 4: Simplify right side
    651,974.60x = 285,746,838,609.12
  5. Step 5: Solve for x
    x = 285,746,838,609.12/651,974.60
  6. Step 6: Final answer
    x = 438,279.10

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.