Home / 829,707.10-1,145,017.48-467,144.30

Finding the Fourth Proportional to 829,707.10, 1,145,017.48 and 467,144.30

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Solution

The fourth proportional to 829,707.10, 1,145,017.48 and 467,144.30 is: 644,671.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    829,707.10 : 1,145,017.48 = 467,144.30 : x
  2. Step 2: Convert to fraction form
    829,707.10/1,145,017.48 = 467,144.30/x
  3. Step 3: Cross multiply
    829,707.10x = 1,145,017.48 × 467,144.30
  4. Step 4: Simplify right side
    829,707.10x = 534,888,389,182.36
  5. Step 5: Solve for x
    x = 534,888,389,182.36/829,707.10
  6. Step 6: Final answer
    x = 644,671.34

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Double scale
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1.5x scale

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.