Home / 678,868.88-1,018,303.29-173,430.97

Finding the Fourth Proportional to 678,868.88, 1,018,303.29 and 173,430.97

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Solution

The fourth proportional to 678,868.88, 1,018,303.29 and 173,430.97 is: 260,146.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    678,868.88 : 1,018,303.29 = 173,430.97 : x
  2. Step 2: Convert to fraction form
    678,868.88/1,018,303.29 = 173,430.97/x
  3. Step 3: Cross multiply
    678,868.88x = 1,018,303.29 × 173,430.97
  4. Step 4: Simplify right side
    678,868.88x = 176,605,327,338.89
  5. Step 5: Solve for x
    x = 176,605,327,338.89/678,868.88
  6. Step 6: Final answer
    x = 260,146.45

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1.5x scale

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.