Home / 717,320.36-1,076,407.20-362,370.32

Finding the Fourth Proportional to 717,320.36, 1,076,407.20 and 362,370.32

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Solution

The fourth proportional to 717,320.36, 1,076,407.20 and 362,370.32 is: 543,771.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    717,320.36 : 1,076,407.20 = 362,370.32 : x
  2. Step 2: Convert to fraction form
    717,320.36/1,076,407.20 = 362,370.32/x
  3. Step 3: Cross multiply
    717,320.36x = 1,076,407.20 × 362,370.32
  4. Step 4: Simplify right side
    717,320.36x = 390,058,021,514.30
  5. Step 5: Solve for x
    x = 390,058,021,514.30/717,320.36
  6. Step 6: Final answer
    x = 543,771.02

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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.