Home / 509,582.13-764,465.13-209,899.14

Finding the Fourth Proportional to 509,582.13, 764,465.13 and 209,899.14

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Solution

The fourth proportional to 509,582.13, 764,465.13 and 209,899.14 is: 314,886.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    509,582.13 : 764,465.13 = 209,899.14 : x
  2. Step 2: Convert to fraction form
    509,582.13/764,465.13 = 209,899.14/x
  3. Step 3: Cross multiply
    509,582.13x = 764,465.13 × 209,899.14
  4. Step 4: Simplify right side
    509,582.13x = 160,460,573,346.99
  5. Step 5: Solve for x
    x = 160,460,573,346.99/509,582.13
  6. Step 6: Final answer
    x = 314,886.58

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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.