Home / 484,416-668,494.08-272,448

Finding the Fourth Proportional to 484,416, 668,494.08 and 272,448

Calculator

Solution

The fourth proportional to 484,416, 668,494.08 and 272,448 is: 375,978.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,416 : 668,494.08 = 272,448 : x
  2. Step 2: Convert to fraction form
    484,416/668,494.08 = 272,448/x
  3. Step 3: Cross multiply
    484,416x = 668,494.08 × 272,448
  4. Step 4: Simplify right side
    484,416x = 182,129,875,107.84
  5. Step 5: Solve for x
    x = 182,129,875,107.84/484,416
  6. Step 6: Final answer
    x = 375,978.24

Related Problems

Find fourth proportional to 242,208, 334,247.04 and 136,224
Half scale
Find fourth proportional to 968,832, 1,336,988.16 and 544,896
Double scale
Find fourth proportional to 484,417, 668,495.46 and 272,449
Similar ratio
Find fourth proportional to 726,624, 1,002,741.12 and 408,672
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.