Home / 900,996.60-1,243,363.70-493,091.12

Finding the Fourth Proportional to 900,996.60, 1,243,363.70 and 493,091.12

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Solution

The fourth proportional to 900,996.60, 1,243,363.70 and 493,091.12 is: 680,459.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    900,996.60 : 1,243,363.70 = 493,091.12 : x
  2. Step 2: Convert to fraction form
    900,996.60/1,243,363.70 = 493,091.12/x
  3. Step 3: Cross multiply
    900,996.60x = 1,243,363.70 × 493,091.12
  4. Step 4: Simplify right side
    900,996.60x = 613,091,599,400.34
  5. Step 5: Solve for x
    x = 613,091,599,400.34/900,996.60
  6. Step 6: Final answer
    x = 680,459.39

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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.