Home / 745,365.80-1,028,582.34-414,220.61

Finding the Fourth Proportional to 745,365.80, 1,028,582.34 and 414,220.61

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Solution

The fourth proportional to 745,365.80, 1,028,582.34 and 414,220.61 is: 571,611.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,365.80 : 1,028,582.34 = 414,220.61 : x
  2. Step 2: Convert to fraction form
    745,365.80/1,028,582.34 = 414,220.61/x
  3. Step 3: Cross multiply
    745,365.80x = 1,028,582.34 × 414,220.61
  4. Step 4: Simplify right side
    745,365.80x = 426,060,004,310.03
  5. Step 5: Solve for x
    x = 426,060,004,310.03/745,365.80
  6. Step 6: Final answer
    x = 571,611.96

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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.