Home / 543,117.40-761,939-543,117.40

Finding the Fourth Proportional to 543,117.40, 761,939 and 543,117.40

Calculator

Solution

The fourth proportional to 543,117.40, 761,939 and 543,117.40 is: 761,939

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,117.40 : 761,939 = 543,117.40 : x
  2. Step 2: Convert to fraction form
    543,117.40/761,939 = 543,117.40/x
  3. Step 3: Cross multiply
    543,117.40x = 761,939 × 543,117.40
  4. Step 4: Simplify right side
    543,117.40x = 413,822,328,638.60
  5. Step 5: Solve for x
    x = 413,822,328,638.60/543,117.40
  6. Step 6: Final answer
    x = 761,939

Related Problems

Find fourth proportional to 271,558.70, 380,969.50 and 271,558.70
Half scale
Find fourth proportional to 1,086,234.80, 1,523,878 and 1,086,234.80
Double scale
Find fourth proportional to 543,118.40, 761,940.40 and 543,118.40
Similar ratio
Find fourth proportional to 814,676.10, 1,142,908.50 and 814,676.10
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.