Home / 393,994-590,991-98,506

Finding the Fourth Proportional to 393,994, 590,991 and 98,506

Calculator

Solution

The fourth proportional to 393,994, 590,991 and 98,506 is: 147,759

Step by Step Solution

  1. Step 1: Write the proportion equation
    393,994 : 590,991 = 98,506 : x
  2. Step 2: Convert to fraction form
    393,994/590,991 = 98,506/x
  3. Step 3: Cross multiply
    393,994x = 590,991 × 98,506
  4. Step 4: Simplify right side
    393,994x = 58,216,159,446
  5. Step 5: Solve for x
    x = 58,216,159,446/393,994
  6. Step 6: Final answer
    x = 147,759

Related Problems

Find fourth proportional to 196,997, 295,495.50 and 49,253
Half scale
Find fourth proportional to 787,988, 1,181,982 and 197,012
Double scale
Find fourth proportional to 393,995, 590,992.50 and 98,507
Similar ratio
Find fourth proportional to 590,991, 886,486.50 and 147,759
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.