Home / 537,811.70-804,967.95-418,838.90

Finding the Fourth Proportional to 537,811.70, 804,967.95 and 418,838.90

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Solution

The fourth proportional to 537,811.70, 804,967.95 and 418,838.90 is: 626,895.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    537,811.70 : 804,967.95 = 418,838.90 : x
  2. Step 2: Convert to fraction form
    537,811.70/804,967.95 = 418,838.90/x
  3. Step 3: Cross multiply
    537,811.70x = 804,967.95 × 418,838.90
  4. Step 4: Simplify right side
    537,811.70x = 337,151,890,713.26
  5. Step 5: Solve for x
    x = 337,151,890,713.26/537,811.70
  6. Step 6: Final answer
    x = 626,895.79

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.