Home / 513,025.48-707,973.42-286,670.98

Finding the Fourth Proportional to 513,025.48, 707,973.42 and 286,670.98

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Solution

The fourth proportional to 513,025.48, 707,973.42 and 286,670.98 is: 395,604.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    513,025.48 : 707,973.42 = 286,670.98 : x
  2. Step 2: Convert to fraction form
    513,025.48/707,973.42 = 286,670.98/x
  3. Step 3: Cross multiply
    513,025.48x = 707,973.42 × 286,670.98
  4. Step 4: Simplify right side
    513,025.48x = 202,955,434,125.35
  5. Step 5: Solve for x
    x = 202,955,434,125.35/513,025.48
  6. Step 6: Final answer
    x = 395,604.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.