Home / 292,522-438,783-70,906

Finding the Fourth Proportional to 292,522, 438,783 and 70,906

Calculator

Solution

The fourth proportional to 292,522, 438,783 and 70,906 is: 106,359

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,522 : 438,783 = 70,906 : x
  2. Step 2: Convert to fraction form
    292,522/438,783 = 70,906/x
  3. Step 3: Cross multiply
    292,522x = 438,783 × 70,906
  4. Step 4: Simplify right side
    292,522x = 31,112,347,398
  5. Step 5: Solve for x
    x = 31,112,347,398/292,522
  6. Step 6: Final answer
    x = 106,359

Related Problems

Find fourth proportional to 146,261, 219,391.50 and 35,453
Half scale
Find fourth proportional to 585,044, 877,566 and 141,812
Double scale
Find fourth proportional to 292,523, 438,784.50 and 70,907
Similar ratio
Find fourth proportional to 438,783, 658,174.50 and 106,359
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.