Home / 555,685.30-766,845.57-301,036.42

Finding the Fourth Proportional to 555,685.30, 766,845.57 and 301,036.42

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Solution

The fourth proportional to 555,685.30, 766,845.57 and 301,036.42 is: 415,430.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,685.30 : 766,845.57 = 301,036.42 : x
  2. Step 2: Convert to fraction form
    555,685.30/766,845.57 = 301,036.42/x
  3. Step 3: Cross multiply
    555,685.30x = 766,845.57 × 301,036.42
  4. Step 4: Simplify right side
    555,685.30x = 230,848,445,085.66
  5. Step 5: Solve for x
    x = 230,848,445,085.66/555,685.30
  6. Step 6: Final answer
    x = 415,430.18

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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.