Home / 926,628.60-1,390,841.72-447,193.88

Finding the Fourth Proportional to 926,628.60, 1,390,841.72 and 447,193.88

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Solution

The fourth proportional to 926,628.60, 1,390,841.72 and 447,193.88 is: 671,224.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    926,628.60 : 1,390,841.72 = 447,193.88 : x
  2. Step 2: Convert to fraction form
    926,628.60/1,390,841.72 = 447,193.88/x
  3. Step 3: Cross multiply
    926,628.60x = 1,390,841.72 × 447,193.88
  4. Step 4: Simplify right side
    926,628.60x = 621,975,905,232.67
  5. Step 5: Solve for x
    x = 621,975,905,232.67/926,628.60
  6. Step 6: Final answer
    x = 671,224.59

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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.