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Finding the Fourth Proportional to 607,835.60, 838,812.36 and 339,563.60

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Solution

The fourth proportional to 607,835.60, 838,812.36 and 339,563.60 is: 468,597.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,835.60 : 838,812.36 = 339,563.60 : x
  2. Step 2: Convert to fraction form
    607,835.60/838,812.36 = 339,563.60/x
  3. Step 3: Cross multiply
    607,835.60x = 838,812.36 × 339,563.60
  4. Step 4: Simplify right side
    607,835.60x = 284,830,144,686.10
  5. Step 5: Solve for x
    x = 284,830,144,686.10/607,835.60
  6. Step 6: Final answer
    x = 468,597.34

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1.5x scale

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.