Home / 514,740.24-710,361-288,378

Finding the Fourth Proportional to 514,740.24, 710,361 and 288,378

Calculator

Solution

The fourth proportional to 514,740.24, 710,361 and 288,378 is: 397,972.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    514,740.24 : 710,361 = 288,378 : x
  2. Step 2: Convert to fraction form
    514,740.24/710,361 = 288,378/x
  3. Step 3: Cross multiply
    514,740.24x = 710,361 × 288,378
  4. Step 4: Simplify right side
    514,740.24x = 204,852,484,458
  5. Step 5: Solve for x
    x = 204,852,484,458/514,740.24
  6. Step 6: Final answer
    x = 397,972.55

Related Problems

Find fourth proportional to 257,370.12, 355,180.50 and 144,189
Half scale
Find fourth proportional to 1,029,480.48, 1,420,722 and 576,756
Double scale
Find fourth proportional to 514,741.24, 710,362.38 and 288,379
Similar ratio
Find fourth proportional to 772,110.36, 1,065,541.50 and 432,567
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.