Home / 777,315.39-1,072,679.15-433,149.93

Finding the Fourth Proportional to 777,315.39, 1,072,679.15 and 433,149.93

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Solution

The fourth proportional to 777,315.39, 1,072,679.15 and 433,149.93 is: 597,737.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    777,315.39 : 1,072,679.15 = 433,149.93 : x
  2. Step 2: Convert to fraction form
    777,315.39/1,072,679.15 = 433,149.93/x
  3. Step 3: Cross multiply
    777,315.39x = 1,072,679.15 × 433,149.93
  4. Step 4: Simplify right side
    777,315.39x = 464,630,899,817.83
  5. Step 5: Solve for x
    x = 464,630,899,817.83/777,315.39
  6. Step 6: Final answer
    x = 597,737.94

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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.