Home / 555,156.06-766,116.27-300,508.26

Finding the Fourth Proportional to 555,156.06, 766,116.27 and 300,508.26

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Solution

The fourth proportional to 555,156.06, 766,116.27 and 300,508.26 is: 414,701.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,156.06 : 766,116.27 = 300,508.26 : x
  2. Step 2: Convert to fraction form
    555,156.06/766,116.27 = 300,508.26/x
  3. Step 3: Cross multiply
    555,156.06x = 766,116.27 × 300,508.26
  4. Step 4: Simplify right side
    555,156.06x = 230,224,267,255.39
  5. Step 5: Solve for x
    x = 230,224,267,255.39/555,156.06
  6. Step 6: Final answer
    x = 414,701.89

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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.