Home / 641,211.84-962,038.80-286,470.72

Finding the Fourth Proportional to 641,211.84, 962,038.80 and 286,470.72

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Solution

The fourth proportional to 641,211.84, 962,038.80 and 286,470.72 is: 429,804.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    641,211.84 : 962,038.80 = 286,470.72 : x
  2. Step 2: Convert to fraction form
    641,211.84/962,038.80 = 286,470.72/x
  3. Step 3: Cross multiply
    641,211.84x = 962,038.80 × 286,470.72
  4. Step 4: Simplify right side
    641,211.84x = 275,595,947,703.94
  5. Step 5: Solve for x
    x = 275,595,947,703.94/641,211.84
  6. Step 6: Final answer
    x = 429,804.83

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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.