Home / 803,870.16-1,205,173.73-550,383.86

Finding the Fourth Proportional to 803,870.16, 1,205,173.73 and 550,383.86

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Solution

The fourth proportional to 803,870.16, 1,205,173.73 and 550,383.86 is: 825,143.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    803,870.16 : 1,205,173.73 = 550,383.86 : x
  2. Step 2: Convert to fraction form
    803,870.16/1,205,173.73 = 550,383.86/x
  3. Step 3: Cross multiply
    803,870.16x = 1,205,173.73 × 550,383.86
  4. Step 4: Simplify right side
    803,870.16x = 663,308,160,710.21
  5. Step 5: Solve for x
    x = 663,308,160,710.21/803,870.16
  6. Step 6: Final answer
    x = 825,143.40

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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.