Home / 740,541.60-1,110,812.40-711,511.20

Finding the Fourth Proportional to 740,541.60, 1,110,812.40 and 711,511.20

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Solution

The fourth proportional to 740,541.60, 1,110,812.40 and 711,511.20 is: 1,067,266.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,541.60 : 1,110,812.40 = 711,511.20 : x
  2. Step 2: Convert to fraction form
    740,541.60/1,110,812.40 = 711,511.20/x
  3. Step 3: Cross multiply
    740,541.60x = 1,110,812.40 × 711,511.20
  4. Step 4: Simplify right side
    740,541.60x = 790,355,463,698.88
  5. Step 5: Solve for x
    x = 790,355,463,698.88/740,541.60
  6. Step 6: Final answer
    x = 1,067,266.80

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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.