Home / 695,014.90-1,042,745.91-316,070.98

Finding the Fourth Proportional to 695,014.90, 1,042,745.91 and 316,070.98

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Solution

The fourth proportional to 695,014.90, 1,042,745.91 and 316,070.98 is: 474,208.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    695,014.90 : 1,042,745.91 = 316,070.98 : x
  2. Step 2: Convert to fraction form
    695,014.90/1,042,745.91 = 316,070.98/x
  3. Step 3: Cross multiply
    695,014.90x = 1,042,745.91 × 316,070.98
  4. Step 4: Simplify right side
    695,014.90x = 329,581,714,870.61
  5. Step 5: Solve for x
    x = 329,581,714,870.61/695,014.90
  6. Step 6: Final answer
    x = 474,208.13

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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.