Home / 707,200.40-1,060,865.40-286,389.20

Finding the Fourth Proportional to 707,200.40, 1,060,865.40 and 286,389.20

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Solution

The fourth proportional to 707,200.40, 1,060,865.40 and 286,389.20 is: 429,610.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    707,200.40 : 1,060,865.40 = 286,389.20 : x
  2. Step 2: Convert to fraction form
    707,200.40/1,060,865.40 = 286,389.20/x
  3. Step 3: Cross multiply
    707,200.40x = 1,060,865.40 × 286,389.20
  4. Step 4: Simplify right side
    707,200.40x = 303,820,393,213.68
  5. Step 5: Solve for x
    x = 303,820,393,213.68/707,200.40
  6. Step 6: Final answer
    x = 429,610.04

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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.