Home / 821,093.48-1,133,106.76-458,514.40

Finding the Fourth Proportional to 821,093.48, 1,133,106.76 and 458,514.40

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Solution

The fourth proportional to 821,093.48, 1,133,106.76 and 458,514.40 is: 632,748.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    821,093.48 : 1,133,106.76 = 458,514.40 : x
  2. Step 2: Convert to fraction form
    821,093.48/1,133,106.76 = 458,514.40/x
  3. Step 3: Cross multiply
    821,093.48x = 1,133,106.76 × 458,514.40
  4. Step 4: Simplify right side
    821,093.48x = 519,545,766,197.34
  5. Step 5: Solve for x
    x = 519,545,766,197.34/821,093.48
  6. Step 6: Final answer
    x = 632,748.62

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Double scale
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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.