Home / 738,516.83-1,107,914.21-508,675.89

Finding the Fourth Proportional to 738,516.83, 1,107,914.21 and 508,675.89

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Solution

The fourth proportional to 738,516.83, 1,107,914.21 and 508,675.89 is: 763,109.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,516.83 : 1,107,914.21 = 508,675.89 : x
  2. Step 2: Convert to fraction form
    738,516.83/1,107,914.21 = 508,675.89/x
  3. Step 3: Cross multiply
    738,516.83x = 1,107,914.21 × 508,675.89
  4. Step 4: Simplify right side
    738,516.83x = 563,569,248,087.09
  5. Step 5: Solve for x
    x = 563,569,248,087.09/738,516.83
  6. Step 6: Final answer
    x = 763,109.55

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1.5x scale

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.