Home / 824,673.20-1,237,009.80-614,721.20

Finding the Fourth Proportional to 824,673.20, 1,237,009.80 and 614,721.20

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Solution

The fourth proportional to 824,673.20, 1,237,009.80 and 614,721.20 is: 922,081.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    824,673.20 : 1,237,009.80 = 614,721.20 : x
  2. Step 2: Convert to fraction form
    824,673.20/1,237,009.80 = 614,721.20/x
  3. Step 3: Cross multiply
    824,673.20x = 1,237,009.80 × 614,721.20
  4. Step 4: Simplify right side
    824,673.20x = 760,416,148,667.76
  5. Step 5: Solve for x
    x = 760,416,148,667.76/824,673.20
  6. Step 6: Final answer
    x = 922,081.80

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Double scale
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Similar ratio
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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.