Home / 459,281.07-687,447.57-245,514.42

Finding the Fourth Proportional to 459,281.07, 687,447.57 and 245,514.42

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Solution

The fourth proportional to 459,281.07, 687,447.57 and 245,514.42 is: 367,483.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,281.07 : 687,447.57 = 245,514.42 : x
  2. Step 2: Convert to fraction form
    459,281.07/687,447.57 = 245,514.42/x
  3. Step 3: Cross multiply
    459,281.07x = 687,447.57 × 245,514.42
  4. Step 4: Simplify right side
    459,281.07x = 168,778,291,428.96
  5. Step 5: Solve for x
    x = 168,778,291,428.96/459,281.07
  6. Step 6: Final answer
    x = 367,483.67

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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.