Home / 788,555.34-1,087,827.03-516,505.50

Finding the Fourth Proportional to 788,555.34, 1,087,827.03 and 516,505.50

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Solution

The fourth proportional to 788,555.34, 1,087,827.03 and 516,505.50 is: 712,529.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,555.34 : 1,087,827.03 = 516,505.50 : x
  2. Step 2: Convert to fraction form
    788,555.34/1,087,827.03 = 516,505.50/x
  3. Step 3: Cross multiply
    788,555.34x = 1,087,827.03 × 516,505.50
  4. Step 4: Simplify right side
    788,555.34x = 561,868,644,043.67
  5. Step 5: Solve for x
    x = 561,868,644,043.67/788,555.34
  6. Step 6: Final answer
    x = 712,529.12

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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.