Home / 746,615.60-1,119,923.40-494,673.20

Finding the Fourth Proportional to 746,615.60, 1,119,923.40 and 494,673.20

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Solution

The fourth proportional to 746,615.60, 1,119,923.40 and 494,673.20 is: 742,009.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,615.60 : 1,119,923.40 = 494,673.20 : x
  2. Step 2: Convert to fraction form
    746,615.60/1,119,923.40 = 494,673.20/x
  3. Step 3: Cross multiply
    746,615.60x = 1,119,923.40 × 494,673.20
  4. Step 4: Simplify right side
    746,615.60x = 553,996,092,032.88
  5. Step 5: Solve for x
    x = 553,996,092,032.88/746,615.60
  6. Step 6: Final answer
    x = 742,009.80

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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.