Home / 679,306.37-1,018,055.33-359,389.95

Finding the Fourth Proportional to 679,306.37, 1,018,055.33 and 359,389.95

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Solution

The fourth proportional to 679,306.37, 1,018,055.33 and 359,389.95 is: 538,606.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,306.37 : 1,018,055.33 = 359,389.95 : x
  2. Step 2: Convert to fraction form
    679,306.37/1,018,055.33 = 359,389.95/x
  3. Step 3: Cross multiply
    679,306.37x = 1,018,055.33 × 359,389.95
  4. Step 4: Simplify right side
    679,306.37x = 365,878,852,348.98
  5. Step 5: Solve for x
    x = 365,878,852,348.98/679,306.37
  6. Step 6: Final answer
    x = 538,606.54

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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.