Home / 745,984.16-1,118,975.24-346,406.44

Finding the Fourth Proportional to 745,984.16, 1,118,975.24 and 346,406.44

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Solution

The fourth proportional to 745,984.16, 1,118,975.24 and 346,406.44 is: 519,609.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,984.16 : 1,118,975.24 = 346,406.44 : x
  2. Step 2: Convert to fraction form
    745,984.16/1,118,975.24 = 346,406.44/x
  3. Step 3: Cross multiply
    745,984.16x = 1,118,975.24 × 346,406.44
  4. Step 4: Simplify right side
    745,984.16x = 387,620,229,336.55
  5. Step 5: Solve for x
    x = 387,620,229,336.55/745,984.16
  6. Step 6: Final answer
    x = 519,609.20

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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.