Home / 707,200.90-1,060,866.15-286,389.70

Finding the Fourth Proportional to 707,200.90, 1,060,866.15 and 286,389.70

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Solution

The fourth proportional to 707,200.90, 1,060,866.15 and 286,389.70 is: 429,610.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    707,200.90 : 1,060,866.15 = 286,389.70 : x
  2. Step 2: Convert to fraction form
    707,200.90/1,060,866.15 = 286,389.70/x
  3. Step 3: Cross multiply
    707,200.90x = 1,060,866.15 × 286,389.70
  4. Step 4: Simplify right side
    707,200.90x = 303,821,138,438.66
  5. Step 5: Solve for x
    x = 303,821,138,438.66/707,200.90
  6. Step 6: Final answer
    x = 429,610.79

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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.