Home / 789,873.85-1,090,031.07-483,950.89

Finding the Fourth Proportional to 789,873.85, 1,090,031.07 and 483,950.89

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Solution

The fourth proportional to 789,873.85, 1,090,031.07 and 483,950.89 is: 667,855.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,873.85 : 1,090,031.07 = 483,950.89 : x
  2. Step 2: Convert to fraction form
    789,873.85/1,090,031.07 = 483,950.89/x
  3. Step 3: Cross multiply
    789,873.85x = 1,090,031.07 × 483,950.89
  4. Step 4: Simplify right side
    789,873.85x = 527,521,506,454.15
  5. Step 5: Solve for x
    x = 527,521,506,454.15/789,873.85
  6. Step 6: Final answer
    x = 667,855.39

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Double scale
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1.5x scale

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.