Home / 706,780.40-1,060,165.73-286,050.20

Finding the Fourth Proportional to 706,780.40, 1,060,165.73 and 286,050.20

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Solution

The fourth proportional to 706,780.40, 1,060,165.73 and 286,050.20 is: 429,073.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    706,780.40 : 1,060,165.73 = 286,050.20 : x
  2. Step 2: Convert to fraction form
    706,780.40/1,060,165.73 = 286,050.20/x
  3. Step 3: Cross multiply
    706,780.40x = 1,060,165.73 × 286,050.20
  4. Step 4: Simplify right side
    706,780.40x = 303,260,614,513.94
  5. Step 5: Solve for x
    x = 303,260,614,513.94/706,780.40
  6. Step 6: Final answer
    x = 429,073.33

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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.