Home / 685,347.48-946,278.45-550,125.27

Finding the Fourth Proportional to 685,347.48, 946,278.45 and 550,125.27

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Solution

The fourth proportional to 685,347.48, 946,278.45 and 550,125.27 is: 759,573.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    685,347.48 : 946,278.45 = 550,125.27 : x
  2. Step 2: Convert to fraction form
    685,347.48/946,278.45 = 550,125.27/x
  3. Step 3: Cross multiply
    685,347.48x = 946,278.45 × 550,125.27
  4. Step 4: Simplify right side
    685,347.48x = 520,571,687,801.43
  5. Step 5: Solve for x
    x = 520,571,687,801.43/685,347.48
  6. Step 6: Final answer
    x = 759,573.36

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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.