Home / 524,424-786,638.88-130,440

Finding the Fourth Proportional to 524,424, 786,638.88 and 130,440

Calculator

Solution

The fourth proportional to 524,424, 786,638.88 and 130,440 is: 195,660.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,424 : 786,638.88 = 130,440 : x
  2. Step 2: Convert to fraction form
    524,424/786,638.88 = 130,440/x
  3. Step 3: Cross multiply
    524,424x = 786,638.88 × 130,440
  4. Step 4: Simplify right side
    524,424x = 102,609,175,507.20
  5. Step 5: Solve for x
    x = 102,609,175,507.20/524,424
  6. Step 6: Final answer
    x = 195,660.72

Related Problems

Find fourth proportional to 262,212, 393,319.44 and 65,220
Half scale
Find fourth proportional to 1,048,848, 1,573,277.76 and 260,880
Double scale
Find fourth proportional to 524,425, 786,640.38 and 130,441
Similar ratio
Find fourth proportional to 786,636, 1,179,958.32 and 195,660
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.