Home / 949,718-1,424,577-284,870

Finding the Fourth Proportional to 949,718, 1,424,577 and 284,870

Calculator

Solution

The fourth proportional to 949,718, 1,424,577 and 284,870 is: 427,305

Step by Step Solution

  1. Step 1: Write the proportion equation
    949,718 : 1,424,577 = 284,870 : x
  2. Step 2: Convert to fraction form
    949,718/1,424,577 = 284,870/x
  3. Step 3: Cross multiply
    949,718x = 1,424,577 × 284,870
  4. Step 4: Simplify right side
    949,718x = 405,819,249,990
  5. Step 5: Solve for x
    x = 405,819,249,990/949,718
  6. Step 6: Final answer
    x = 427,305

Related Problems

Find fourth proportional to 474,859, 712,288.50 and 142,435
Half scale
Find fourth proportional to 1,899,436, 2,849,154 and 569,740
Double scale
Find fourth proportional to 949,719, 1,424,578.50 and 284,871
Similar ratio
Find fourth proportional to 1,424,577, 2,136,865.50 and 427,305
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.