Home / 934,973.71-1,290,263.68-505,253.84

Finding the Fourth Proportional to 934,973.71, 1,290,263.68 and 505,253.84

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Solution

The fourth proportional to 934,973.71, 1,290,263.68 and 505,253.84 is: 697,250.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    934,973.71 : 1,290,263.68 = 505,253.84 : x
  2. Step 2: Convert to fraction form
    934,973.71/1,290,263.68 = 505,253.84/x
  3. Step 3: Cross multiply
    934,973.71x = 1,290,263.68 × 505,253.84
  4. Step 4: Simplify right side
    934,973.71x = 651,910,678,932.53
  5. Step 5: Solve for x
    x = 651,910,678,932.53/934,973.71
  6. Step 6: Final answer
    x = 697,250.28

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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.