Home / 740,039.40-1,110,059.10-646,727.40

Finding the Fourth Proportional to 740,039.40, 1,110,059.10 and 646,727.40

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Solution

The fourth proportional to 740,039.40, 1,110,059.10 and 646,727.40 is: 970,091.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,039.40 : 1,110,059.10 = 646,727.40 : x
  2. Step 2: Convert to fraction form
    740,039.40/1,110,059.10 = 646,727.40/x
  3. Step 3: Cross multiply
    740,039.40x = 1,110,059.10 × 646,727.40
  4. Step 4: Simplify right side
    740,039.40x = 717,905,635,589.34
  5. Step 5: Solve for x
    x = 717,905,635,589.34/740,039.40
  6. Step 6: Final answer
    x = 970,091.10

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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.