Home / 679,735.80-1,018,731.47-574,360.61

Finding the Fourth Proportional to 679,735.80, 1,018,731.47 and 574,360.61

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Solution

The fourth proportional to 679,735.80, 1,018,731.47 and 574,360.61 is: 860,803.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,735.80 : 1,018,731.47 = 574,360.61 : x
  2. Step 2: Convert to fraction form
    679,735.80/1,018,731.47 = 574,360.61/x
  3. Step 3: Cross multiply
    679,735.80x = 1,018,731.47 × 574,360.61
  4. Step 4: Simplify right side
    679,735.80x = 585,119,220,569.94
  5. Step 5: Solve for x
    x = 585,119,220,569.94/679,735.80
  6. Step 6: Final answer
    x = 860,803.89

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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.