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Finding the Fourth Proportional to 652,033.60, 978,050.40 and 540,059.20

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Solution

The fourth proportional to 652,033.60, 978,050.40 and 540,059.20 is: 810,088.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,033.60 : 978,050.40 = 540,059.20 : x
  2. Step 2: Convert to fraction form
    652,033.60/978,050.40 = 540,059.20/x
  3. Step 3: Cross multiply
    652,033.60x = 978,050.40 × 540,059.20
  4. Step 4: Simplify right side
    652,033.60x = 528,205,116,583.68
  5. Step 5: Solve for x
    x = 528,205,116,583.68/652,033.60
  6. Step 6: Final answer
    x = 810,088.80

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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.