Home / 745,244.40-1,028,420.96-435,200.24

Finding the Fourth Proportional to 745,244.40, 1,028,420.96 and 435,200.24

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Solution

The fourth proportional to 745,244.40, 1,028,420.96 and 435,200.24 is: 600,566.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,244.40 : 1,028,420.96 = 435,200.24 : x
  2. Step 2: Convert to fraction form
    745,244.40/1,028,420.96 = 435,200.24/x
  3. Step 3: Cross multiply
    745,244.40x = 1,028,420.96 × 435,200.24
  4. Step 4: Simplify right side
    745,244.40x = 447,569,048,613.03
  5. Step 5: Solve for x
    x = 447,569,048,613.03/745,244.40
  6. Step 6: Final answer
    x = 600,566.81

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.