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Finding the Fourth Proportional to 652,293.40, 978,440.10 and 494,829.40

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Solution

The fourth proportional to 652,293.40, 978,440.10 and 494,829.40 is: 742,244.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,293.40 : 978,440.10 = 494,829.40 : x
  2. Step 2: Convert to fraction form
    652,293.40/978,440.10 = 494,829.40/x
  3. Step 3: Cross multiply
    652,293.40x = 978,440.10 × 494,829.40
  4. Step 4: Simplify right side
    652,293.40x = 484,160,927,618.94
  5. Step 5: Solve for x
    x = 484,160,927,618.94/652,293.40
  6. Step 6: Final answer
    x = 742,244.10

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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.