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Finding the Fourth Proportional to 713,476.28, 984,559.64 and 407,492.52

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Solution

The fourth proportional to 713,476.28, 984,559.64 and 407,492.52 is: 562,318.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    713,476.28 : 984,559.64 = 407,492.52 : x
  2. Step 2: Convert to fraction form
    713,476.28/984,559.64 = 407,492.52/x
  3. Step 3: Cross multiply
    713,476.28x = 984,559.64 × 407,492.52
  4. Step 4: Simplify right side
    713,476.28x = 401,200,688,793.89
  5. Step 5: Solve for x
    x = 401,200,688,793.89/713,476.28
  6. Step 6: Final answer
    x = 562,318.19

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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.