Home / 782,506.88-1,173,838.08-283,909.76

Finding the Fourth Proportional to 782,506.88, 1,173,838.08 and 283,909.76

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Solution

The fourth proportional to 782,506.88, 1,173,838.08 and 283,909.76 is: 425,892.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,506.88 : 1,173,838.08 = 283,909.76 : x
  2. Step 2: Convert to fraction form
    782,506.88/1,173,838.08 = 283,909.76/x
  3. Step 3: Cross multiply
    782,506.88x = 1,173,838.08 × 283,909.76
  4. Step 4: Simplify right side
    782,506.88x = 333,264,087,571.66
  5. Step 5: Solve for x
    x = 333,264,087,571.66/782,506.88
  6. Step 6: Final answer
    x = 425,892.85

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1.5x scale

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.