Home / 628,915.55-943,438.77-173,506.80

Finding the Fourth Proportional to 628,915.55, 943,438.77 and 173,506.80

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Solution

The fourth proportional to 628,915.55, 943,438.77 and 173,506.80 is: 260,278.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,915.55 : 943,438.77 = 173,506.80 : x
  2. Step 2: Convert to fraction form
    628,915.55/943,438.77 = 173,506.80/x
  3. Step 3: Cross multiply
    628,915.55x = 943,438.77 × 173,506.80
  4. Step 4: Simplify right side
    628,915.55x = 163,693,041,111.10
  5. Step 5: Solve for x
    x = 163,693,041,111.10/628,915.55
  6. Step 6: Final answer
    x = 260,278.25

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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.