Home / 999,820.08-1,379,751.80-547,111.12

Finding the Fourth Proportional to 999,820.08, 1,379,751.80 and 547,111.12

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Solution

The fourth proportional to 999,820.08, 1,379,751.80 and 547,111.12 is: 755,013.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    999,820.08 : 1,379,751.80 = 547,111.12 : x
  2. Step 2: Convert to fraction form
    999,820.08/1,379,751.80 = 547,111.12/x
  3. Step 3: Cross multiply
    999,820.08x = 1,379,751.80 × 547,111.12
  4. Step 4: Simplify right side
    999,820.08x = 754,877,552,620.02
  5. Step 5: Solve for x
    x = 754,877,552,620.02/999,820.08
  6. Step 6: Final answer
    x = 755,013.39

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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.