Home / 989,988.36-1,485,008.14-316,069.08

Finding the Fourth Proportional to 989,988.36, 1,485,008.14 and 316,069.08

Calculator

Solution

The fourth proportional to 989,988.36, 1,485,008.14 and 316,069.08 is: 474,111.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    989,988.36 : 1,485,008.14 = 316,069.08 : x
  2. Step 2: Convert to fraction form
    989,988.36/1,485,008.14 = 316,069.08/x
  3. Step 3: Cross multiply
    989,988.36x = 1,485,008.14 × 316,069.08
  4. Step 4: Simplify right side
    989,988.36x = 469,365,156,602.31
  5. Step 5: Solve for x
    x = 469,365,156,602.31/989,988.36
  6. Step 6: Final answer
    x = 474,111.79

Related Problems

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.