Home / 781,830.86-1,173,502.78-377,307.84

Finding the Fourth Proportional to 781,830.86, 1,173,502.78 and 377,307.84

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Solution

The fourth proportional to 781,830.86, 1,173,502.78 and 377,307.84 is: 566,326.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    781,830.86 : 1,173,502.78 = 377,307.84 : x
  2. Step 2: Convert to fraction form
    781,830.86/1,173,502.78 = 377,307.84/x
  3. Step 3: Cross multiply
    781,830.86x = 1,173,502.78 × 377,307.84
  4. Step 4: Simplify right side
    781,830.86x = 442,771,794,952.00
  5. Step 5: Solve for x
    x = 442,771,794,952.00/781,830.86
  6. Step 6: Final answer
    x = 566,326.83

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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.