Home / 924,640.60-1,387,112.70-284,944.45

Finding the Fourth Proportional to 924,640.60, 1,387,112.70 and 284,944.45

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Solution

The fourth proportional to 924,640.60, 1,387,112.70 and 284,944.45 is: 427,463.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    924,640.60 : 1,387,112.70 = 284,944.45 : x
  2. Step 2: Convert to fraction form
    924,640.60/1,387,112.70 = 284,944.45/x
  3. Step 3: Cross multiply
    924,640.60x = 1,387,112.70 × 284,944.45
  4. Step 4: Simplify right side
    924,640.60x = 395,250,065,389.52
  5. Step 5: Solve for x
    x = 395,250,065,389.52/924,640.60
  6. Step 6: Final answer
    x = 427,463.45

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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.