Home / 902,461.34-1,245,430.96-515,339.84

Finding the Fourth Proportional to 902,461.34, 1,245,430.96 and 515,339.84

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Solution

The fourth proportional to 902,461.34, 1,245,430.96 and 515,339.84 is: 711,188.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    902,461.34 : 1,245,430.96 = 515,339.84 : x
  2. Step 2: Convert to fraction form
    902,461.34/1,245,430.96 = 515,339.84/x
  3. Step 3: Cross multiply
    902,461.34x = 1,245,430.96 × 515,339.84
  4. Step 4: Simplify right side
    902,461.34x = 641,820,191,657.45
  5. Step 5: Solve for x
    x = 641,820,191,657.45/902,461.34
  6. Step 6: Final answer
    x = 711,188.57

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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.