Home / 776,642.34-1,164,421.89-344,124.57

Finding the Fourth Proportional to 776,642.34, 1,164,421.89 and 344,124.57

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Solution

The fourth proportional to 776,642.34, 1,164,421.89 and 344,124.57 is: 515,946.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    776,642.34 : 1,164,421.89 = 344,124.57 : x
  2. Step 2: Convert to fraction form
    776,642.34/1,164,421.89 = 344,124.57/x
  3. Step 3: Cross multiply
    776,642.34x = 1,164,421.89 × 344,124.57
  4. Step 4: Simplify right side
    776,642.34x = 400,706,180,474.22
  5. Step 5: Solve for x
    x = 400,706,180,474.22/776,642.34
  6. Step 6: Final answer
    x = 515,946.86

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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.