Home / 788,461.56-1,087,696.44-516,409.74

Finding the Fourth Proportional to 788,461.56, 1,087,696.44 and 516,409.74

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Solution

The fourth proportional to 788,461.56, 1,087,696.44 and 516,409.74 is: 712,396.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,461.56 : 1,087,696.44 = 516,409.74 : x
  2. Step 2: Convert to fraction form
    788,461.56/1,087,696.44 = 516,409.74/x
  3. Step 3: Cross multiply
    788,461.56x = 1,087,696.44 × 516,409.74
  4. Step 4: Simplify right side
    788,461.56x = 561,697,035,779.33
  5. Step 5: Solve for x
    x = 561,697,035,779.33/788,461.56
  6. Step 6: Final answer
    x = 712,396.22

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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.