Home / 678,915.45-1,018,373.01-173,477.37

Finding the Fourth Proportional to 678,915.45, 1,018,373.01 and 173,477.37

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Solution

The fourth proportional to 678,915.45, 1,018,373.01 and 173,477.37 is: 260,216.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    678,915.45 : 1,018,373.01 = 173,477.37 : x
  2. Step 2: Convert to fraction form
    678,915.45/1,018,373.01 = 173,477.37/x
  3. Step 3: Cross multiply
    678,915.45x = 1,018,373.01 × 173,477.37
  4. Step 4: Simplify right side
    678,915.45x = 176,664,671,453.78
  5. Step 5: Solve for x
    x = 176,664,671,453.78/678,915.45
  6. Step 6: Final answer
    x = 260,216.01

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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.