Home / 649,528.57-974,565.34-289,451.36

Finding the Fourth Proportional to 649,528.57, 974,565.34 and 289,451.36

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Solution

The fourth proportional to 649,528.57, 974,565.34 and 289,451.36 is: 434,298.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,528.57 : 974,565.34 = 289,451.36 : x
  2. Step 2: Convert to fraction form
    649,528.57/974,565.34 = 289,451.36/x
  3. Step 3: Cross multiply
    649,528.57x = 974,565.34 × 289,451.36
  4. Step 4: Simplify right side
    649,528.57x = 282,089,259,302.72
  5. Step 5: Solve for x
    x = 282,089,259,302.72/649,528.57
  6. Step 6: Final answer
    x = 434,298.46

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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.