Home / 588,148.80-879,890.40-510,129.60

Finding the Fourth Proportional to 588,148.80, 879,890.40 and 510,129.60

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Solution

The fourth proportional to 588,148.80, 879,890.40 and 510,129.60 is: 763,171.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    588,148.80 : 879,890.40 = 510,129.60 : x
  2. Step 2: Convert to fraction form
    588,148.80/879,890.40 = 510,129.60/x
  3. Step 3: Cross multiply
    588,148.80x = 879,890.40 × 510,129.60
  4. Step 4: Simplify right side
    588,148.80x = 448,858,137,795.84
  5. Step 5: Solve for x
    x = 448,858,137,795.84/588,148.80
  6. Step 6: Final answer
    x = 763,171.05

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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.