Home / 509,354.76-702,904.50-282,995.40

Finding the Fourth Proportional to 509,354.76, 702,904.50 and 282,995.40

Calculator

Solution

The fourth proportional to 509,354.76, 702,904.50 and 282,995.40 is: 390,530.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    509,354.76 : 702,904.50 = 282,995.40 : x
  2. Step 2: Convert to fraction form
    509,354.76/702,904.50 = 282,995.40/x
  3. Step 3: Cross multiply
    509,354.76x = 702,904.50 × 282,995.40
  4. Step 4: Simplify right side
    509,354.76x = 198,918,740,139.30
  5. Step 5: Solve for x
    x = 198,918,740,139.30/509,354.76
  6. Step 6: Final answer
    x = 390,530.84

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.