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Finding the Fourth Proportional to 479,565.76, 719,492.64 and 227,038.72

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Solution

The fourth proportional to 479,565.76, 719,492.64 and 227,038.72 is: 340,626.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,565.76 : 719,492.64 = 227,038.72 : x
  2. Step 2: Convert to fraction form
    479,565.76/719,492.64 = 227,038.72/x
  3. Step 3: Cross multiply
    479,565.76x = 719,492.64 × 227,038.72
  4. Step 4: Simplify right side
    479,565.76x = 163,352,688,035.02
  5. Step 5: Solve for x
    x = 163,352,688,035.02/479,565.76
  6. Step 6: Final answer
    x = 340,626.25

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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.