Home / 595,565.60-821,916.96-340,910.72

Finding the Fourth Proportional to 595,565.60, 821,916.96 and 340,910.72

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Solution

The fourth proportional to 595,565.60, 821,916.96 and 340,910.72 is: 470,477.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    595,565.60 : 821,916.96 = 340,910.72 : x
  2. Step 2: Convert to fraction form
    595,565.60/821,916.96 = 340,910.72/x
  3. Step 3: Cross multiply
    595,565.60x = 821,916.96 × 340,910.72
  4. Step 4: Simplify right side
    595,565.60x = 280,200,302,613.81
  5. Step 5: Solve for x
    x = 280,200,302,613.81/595,565.60
  6. Step 6: Final answer
    x = 470,477.65

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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.