Home / 683,994.78-1,026,123.93-284,420.70

Finding the Fourth Proportional to 683,994.78, 1,026,123.93 and 284,420.70

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Solution

The fourth proportional to 683,994.78, 1,026,123.93 and 284,420.70 is: 426,685.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,994.78 : 1,026,123.93 = 284,420.70 : x
  2. Step 2: Convert to fraction form
    683,994.78/1,026,123.93 = 284,420.70/x
  3. Step 3: Cross multiply
    683,994.78x = 1,026,123.93 × 284,420.70
  4. Step 4: Simplify right side
    683,994.78x = 291,850,886,457.35
  5. Step 5: Solve for x
    x = 291,850,886,457.35/683,994.78
  6. Step 6: Final answer
    x = 426,685.84

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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.