Home / 784,177.38-1,176,389.15-334,900.55

Finding the Fourth Proportional to 784,177.38, 1,176,389.15 and 334,900.55

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Solution

The fourth proportional to 784,177.38, 1,176,389.15 and 334,900.55 is: 502,403.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,177.38 : 1,176,389.15 = 334,900.55 : x
  2. Step 2: Convert to fraction form
    784,177.38/1,176,389.15 = 334,900.55/x
  3. Step 3: Cross multiply
    784,177.38x = 1,176,389.15 × 334,900.55
  4. Step 4: Simplify right side
    784,177.38x = 393,973,365,792.58
  5. Step 5: Solve for x
    x = 393,973,365,792.58/784,177.38
  6. Step 6: Final answer
    x = 502,403.38

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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.