Home / 803,882.85-1,205,830.76-291,909.93

Finding the Fourth Proportional to 803,882.85, 1,205,830.76 and 291,909.93

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Solution

The fourth proportional to 803,882.85, 1,205,830.76 and 291,909.93 is: 437,867.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    803,882.85 : 1,205,830.76 = 291,909.93 : x
  2. Step 2: Convert to fraction form
    803,882.85/1,205,830.76 = 291,909.93/x
  3. Step 3: Cross multiply
    803,882.85x = 1,205,830.76 × 291,909.93
  4. Step 4: Simplify right side
    803,882.85x = 351,993,971,283.90
  5. Step 5: Solve for x
    x = 351,993,971,283.90/803,882.85
  6. Step 6: Final answer
    x = 437,867.25

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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.