Home / 999,823.50-1,379,756.61-547,114.50

Finding the Fourth Proportional to 999,823.50, 1,379,756.61 and 547,114.50

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Solution

The fourth proportional to 999,823.50, 1,379,756.61 and 547,114.50 is: 755,018.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    999,823.50 : 1,379,756.61 = 547,114.50 : x
  2. Step 2: Convert to fraction form
    999,823.50/1,379,756.61 = 547,114.50/x
  3. Step 3: Cross multiply
    999,823.50x = 1,379,756.61 × 547,114.50
  4. Step 4: Simplify right side
    999,823.50x = 754,884,847,801.85
  5. Step 5: Solve for x
    x = 754,884,847,801.85/999,823.50
  6. Step 6: Final answer
    x = 755,018.11

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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.