Home / 915,451.29-1,263,256.50-501,921.84

Finding the Fourth Proportional to 915,451.29, 1,263,256.50 and 501,921.84

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Solution

The fourth proportional to 915,451.29, 1,263,256.50 and 501,921.84 is: 692,615.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    915,451.29 : 1,263,256.50 = 501,921.84 : x
  2. Step 2: Convert to fraction form
    915,451.29/1,263,256.50 = 501,921.84/x
  3. Step 3: Cross multiply
    915,451.29x = 1,263,256.50 × 501,921.84
  4. Step 4: Simplify right side
    915,451.29x = 634,056,026,871.96
  5. Step 5: Solve for x
    x = 634,056,026,871.96/915,451.29
  6. Step 6: Final answer
    x = 692,615.80

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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.