Home / 863,166.98-1,190,936.72-490,624.70

Finding the Fourth Proportional to 863,166.98, 1,190,936.72 and 490,624.70

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Solution

The fourth proportional to 863,166.98, 1,190,936.72 and 490,624.70 is: 676,929.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,166.98 : 1,190,936.72 = 490,624.70 : x
  2. Step 2: Convert to fraction form
    863,166.98/1,190,936.72 = 490,624.70/x
  3. Step 3: Cross multiply
    863,166.98x = 1,190,936.72 × 490,624.70
  4. Step 4: Simplify right side
    863,166.98x = 584,302,966,240.86
  5. Step 5: Solve for x
    x = 584,302,966,240.86/863,166.98
  6. Step 6: Final answer
    x = 676,929.24

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1.5x scale

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.