Home / 914,802.30-1,372,203.45-283,779.90

Finding the Fourth Proportional to 914,802.30, 1,372,203.45 and 283,779.90

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Solution

The fourth proportional to 914,802.30, 1,372,203.45 and 283,779.90 is: 425,669.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    914,802.30 : 1,372,203.45 = 283,779.90 : x
  2. Step 2: Convert to fraction form
    914,802.30/1,372,203.45 = 283,779.90/x
  3. Step 3: Cross multiply
    914,802.30x = 1,372,203.45 × 283,779.90
  4. Step 4: Simplify right side
    914,802.30x = 389,403,757,820.66
  5. Step 5: Solve for x
    x = 389,403,757,820.66/914,802.30
  6. Step 6: Final answer
    x = 425,669.85

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Double scale
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Similar ratio
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1.5x scale

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.