Home / 695,223.19-1,042,572.34-320,983.75

Finding the Fourth Proportional to 695,223.19, 1,042,572.34 and 320,983.75

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Solution

The fourth proportional to 695,223.19, 1,042,572.34 and 320,983.75 is: 481,354.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    695,223.19 : 1,042,572.34 = 320,983.75 : x
  2. Step 2: Convert to fraction form
    695,223.19/1,042,572.34 = 320,983.75/x
  3. Step 3: Cross multiply
    695,223.19x = 1,042,572.34 × 320,983.75
  4. Step 4: Simplify right side
    695,223.19x = 334,648,779,339.48
  5. Step 5: Solve for x
    x = 334,648,779,339.48/695,223.19
  6. Step 6: Final answer
    x = 481,354.45

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1.5x scale

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.