Home / 555,483.31-766,566.25-300,835.51

Finding the Fourth Proportional to 555,483.31, 766,566.25 and 300,835.51

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Solution

The fourth proportional to 555,483.31, 766,566.25 and 300,835.51 is: 415,152.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,483.31 : 766,566.25 = 300,835.51 : x
  2. Step 2: Convert to fraction form
    555,483.31/766,566.25 = 300,835.51/x
  3. Step 3: Cross multiply
    555,483.31x = 766,566.25 × 300,835.51
  4. Step 4: Simplify right side
    555,483.31x = 230,610,348,767.54
  5. Step 5: Solve for x
    x = 230,610,348,767.54/555,483.31
  6. Step 6: Final answer
    x = 415,152.62

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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.