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Finding the Fourth Proportional to 802,150.48, 1,106,730.30 and 457,975

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Solution

The fourth proportional to 802,150.48, 1,106,730.30 and 457,975 is: 631,869.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    802,150.48 : 1,106,730.30 = 457,975 : x
  2. Step 2: Convert to fraction form
    802,150.48/1,106,730.30 = 457,975/x
  3. Step 3: Cross multiply
    802,150.48x = 1,106,730.30 × 457,975
  4. Step 4: Simplify right side
    802,150.48x = 506,854,809,142.50
  5. Step 5: Solve for x
    x = 506,854,809,142.50/802,150.48
  6. Step 6: Final answer
    x = 631,869.98

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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.