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Finding the Fourth Proportional to 804,913.60, 1,208,752.80 and 569,905.60

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Solution

The fourth proportional to 804,913.60, 1,208,752.80 and 569,905.60 is: 855,837.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,913.60 : 1,208,752.80 = 569,905.60 : x
  2. Step 2: Convert to fraction form
    804,913.60/1,208,752.80 = 569,905.60/x
  3. Step 3: Cross multiply
    804,913.60x = 1,208,752.80 × 569,905.60
  4. Step 4: Simplify right side
    804,913.60x = 688,874,989,735.68
  5. Step 5: Solve for x
    x = 688,874,989,735.68/804,913.60
  6. Step 6: Final answer
    x = 855,837.19

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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.