Home / 770,027.02-1,149,400.55-679,125.58

Finding the Fourth Proportional to 770,027.02, 1,149,400.55 and 679,125.58

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Solution

The fourth proportional to 770,027.02, 1,149,400.55 and 679,125.58 is: 1,013,714.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,027.02 : 1,149,400.55 = 679,125.58 : x
  2. Step 2: Convert to fraction form
    770,027.02/1,149,400.55 = 679,125.58/x
  3. Step 3: Cross multiply
    770,027.02x = 1,149,400.55 × 679,125.58
  4. Step 4: Simplify right side
    770,027.02x = 780,587,315,171.07
  5. Step 5: Solve for x
    x = 780,587,315,171.07/770,027.02
  6. Step 6: Final answer
    x = 1,013,714.19

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.