Home / 685,374.48-946,315.76-550,152.27

Finding the Fourth Proportional to 685,374.48, 946,315.76 and 550,152.27

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Solution

The fourth proportional to 685,374.48, 946,315.76 and 550,152.27 is: 759,610.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    685,374.48 : 946,315.76 = 550,152.27 : x
  2. Step 2: Convert to fraction form
    685,374.48/946,315.76 = 550,152.27/x
  3. Step 3: Cross multiply
    685,374.48x = 946,315.76 × 550,152.27
  4. Step 4: Simplify right side
    685,374.48x = 520,617,760,750.01
  5. Step 5: Solve for x
    x = 520,617,760,750.01/685,374.48
  6. Step 6: Final answer
    x = 759,610.66

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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.