Home / 924,786-1,387,179-259,938

Finding the Fourth Proportional to 924,786, 1,387,179 and 259,938

Calculator

Solution

The fourth proportional to 924,786, 1,387,179 and 259,938 is: 389,907

Step by Step Solution

  1. Step 1: Write the proportion equation
    924,786 : 1,387,179 = 259,938 : x
  2. Step 2: Convert to fraction form
    924,786/1,387,179 = 259,938/x
  3. Step 3: Cross multiply
    924,786x = 1,387,179 × 259,938
  4. Step 4: Simplify right side
    924,786x = 360,580,534,902
  5. Step 5: Solve for x
    x = 360,580,534,902/924,786
  6. Step 6: Final answer
    x = 389,907

Related Problems

Find fourth proportional to 462,393, 693,589.50 and 129,969
Half scale
Find fourth proportional to 1,849,572, 2,774,358 and 519,876
Double scale
Find fourth proportional to 924,787, 1,387,180.50 and 259,939
Similar ratio
Find fourth proportional to 1,387,179, 2,080,768.50 and 389,907
1.5x scale

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.