Home / 654,435.48-902,817.85-382,514.84

Finding the Fourth Proportional to 654,435.48, 902,817.85 and 382,514.84

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Solution

The fourth proportional to 654,435.48, 902,817.85 and 382,514.84 is: 527,693.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,435.48 : 902,817.85 = 382,514.84 : x
  2. Step 2: Convert to fraction form
    654,435.48/902,817.85 = 382,514.84/x
  3. Step 3: Cross multiply
    654,435.48x = 902,817.85 × 382,514.84
  4. Step 4: Simplify right side
    654,435.48x = 345,341,224,074.30
  5. Step 5: Solve for x
    x = 345,341,224,074.30/654,435.48
  6. Step 6: Final answer
    x = 527,693.31

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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.