Home / 805,847.10-1,208,770.65-553,904.70

Finding the Fourth Proportional to 805,847.10, 1,208,770.65 and 553,904.70

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Solution

The fourth proportional to 805,847.10, 1,208,770.65 and 553,904.70 is: 830,857.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,847.10 : 1,208,770.65 = 553,904.70 : x
  2. Step 2: Convert to fraction form
    805,847.10/1,208,770.65 = 553,904.70/x
  3. Step 3: Cross multiply
    805,847.10x = 1,208,770.65 × 553,904.70
  4. Step 4: Simplify right side
    805,847.10x = 669,543,744,257.06
  5. Step 5: Solve for x
    x = 669,543,744,257.06/805,847.10
  6. Step 6: Final answer
    x = 830,857.05

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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.