Home / 352,512-528,768-89,856

Finding the Fourth Proportional to 352,512, 528,768 and 89,856

Calculator

Solution

The fourth proportional to 352,512, 528,768 and 89,856 is: 134,784

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,512 : 528,768 = 89,856 : x
  2. Step 2: Convert to fraction form
    352,512/528,768 = 89,856/x
  3. Step 3: Cross multiply
    352,512x = 528,768 × 89,856
  4. Step 4: Simplify right side
    352,512x = 47,512,977,408
  5. Step 5: Solve for x
    x = 47,512,977,408/352,512
  6. Step 6: Final answer
    x = 134,784

Related Problems

Find fourth proportional to 176,256, 264,384 and 44,928
Half scale
Find fourth proportional to 705,024, 1,057,536 and 179,712
Double scale
Find fourth proportional to 352,513, 528,769.50 and 89,857
Similar ratio
Find fourth proportional to 528,768, 793,152 and 134,784
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.