Home / 719,952-993,533.76-402,000

Finding the Fourth Proportional to 719,952, 993,533.76 and 402,000

Calculator

Solution

The fourth proportional to 719,952, 993,533.76 and 402,000 is: 554,760

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,952 : 993,533.76 = 402,000 : x
  2. Step 2: Convert to fraction form
    719,952/993,533.76 = 402,000/x
  3. Step 3: Cross multiply
    719,952x = 993,533.76 × 402,000
  4. Step 4: Simplify right side
    719,952x = 399,400,571,520
  5. Step 5: Solve for x
    x = 399,400,571,520/719,952
  6. Step 6: Final answer
    x = 554,760

Related Problems

Find fourth proportional to 359,976, 496,766.88 and 201,000
Half scale
Find fourth proportional to 1,439,904, 1,987,067.52 and 804,000
Double scale
Find fourth proportional to 719,953, 993,535.14 and 402,001
Similar ratio
Find fourth proportional to 1,079,928, 1,490,300.64 and 603,000
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.