Home / 630,214.92-945,742.77-326,888.64

Finding the Fourth Proportional to 630,214.92, 945,742.77 and 326,888.64

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Solution

The fourth proportional to 630,214.92, 945,742.77 and 326,888.64 is: 490,551.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,214.92 : 945,742.77 = 326,888.64 : x
  2. Step 2: Convert to fraction form
    630,214.92/945,742.77 = 326,888.64/x
  3. Step 3: Cross multiply
    630,214.92x = 945,742.77 × 326,888.64
  4. Step 4: Simplify right side
    630,214.92x = 309,152,567,875.13
  5. Step 5: Solve for x
    x = 309,152,567,875.13/630,214.92
  6. Step 6: Final answer
    x = 490,551.01

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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.