Home / 662,805.11-914,710.19-499,172.96

Finding the Fourth Proportional to 662,805.11, 914,710.19 and 499,172.96

Calculator

Solution

The fourth proportional to 662,805.11, 914,710.19 and 499,172.96 is: 688,888.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,805.11 : 914,710.19 = 499,172.96 : x
  2. Step 2: Convert to fraction form
    662,805.11/914,710.19 = 499,172.96/x
  3. Step 3: Cross multiply
    662,805.11x = 914,710.19 × 499,172.96
  4. Step 4: Simplify right side
    662,805.11x = 456,598,592,875.37
  5. Step 5: Solve for x
    x = 456,598,592,875.37/662,805.11
  6. Step 6: Final answer
    x = 688,888.16

Related Problems

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.