Home / 939,855.76-1,297,674.98-577,765.10

Finding the Fourth Proportional to 939,855.76, 1,297,674.98 and 577,765.10

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Solution

The fourth proportional to 939,855.76, 1,297,674.98 and 577,765.10 is: 797,730.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,855.76 : 1,297,674.98 = 577,765.10 : x
  2. Step 2: Convert to fraction form
    939,855.76/1,297,674.98 = 577,765.10/x
  3. Step 3: Cross multiply
    939,855.76x = 1,297,674.98 × 577,765.10
  4. Step 4: Simplify right side
    939,855.76x = 749,751,317,109.18
  5. Step 5: Solve for x
    x = 749,751,317,109.18/939,855.76
  6. Step 6: Final answer
    x = 797,730.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.