Home / 847,625.90-1,271,037.90-492,748.70

Finding the Fourth Proportional to 847,625.90, 1,271,037.90 and 492,748.70

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Solution

The fourth proportional to 847,625.90, 1,271,037.90 and 492,748.70 is: 738,889.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    847,625.90 : 1,271,037.90 = 492,748.70 : x
  2. Step 2: Convert to fraction form
    847,625.90/1,271,037.90 = 492,748.70/x
  3. Step 3: Cross multiply
    847,625.90x = 1,271,037.90 × 492,748.70
  4. Step 4: Simplify right side
    847,625.90x = 626,302,272,875.73
  5. Step 5: Solve for x
    x = 626,302,272,875.73/847,625.90
  6. Step 6: Final answer
    x = 738,889.97

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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.