Home / 757,722.63-1,045,655.07-418,188.45

Finding the Fourth Proportional to 757,722.63, 1,045,655.07 and 418,188.45

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Solution

The fourth proportional to 757,722.63, 1,045,655.07 and 418,188.45 is: 577,098.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    757,722.63 : 1,045,655.07 = 418,188.45 : x
  2. Step 2: Convert to fraction form
    757,722.63/1,045,655.07 = 418,188.45/x
  3. Step 3: Cross multiply
    757,722.63x = 1,045,655.07 × 418,188.45
  4. Step 4: Simplify right side
    757,722.63x = 437,280,872,957.94
  5. Step 5: Solve for x
    x = 437,280,872,957.94/757,722.63
  6. Step 6: Final answer
    x = 577,098.87

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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.