Home / 745,582.27-1,028,932.65-423,322.35

Finding the Fourth Proportional to 745,582.27, 1,028,932.65 and 423,322.35

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Solution

The fourth proportional to 745,582.27, 1,028,932.65 and 423,322.35 is: 584,201.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,582.27 : 1,028,932.65 = 423,322.35 : x
  2. Step 2: Convert to fraction form
    745,582.27/1,028,932.65 = 423,322.35/x
  3. Step 3: Cross multiply
    745,582.27x = 1,028,932.65 × 423,322.35
  4. Step 4: Simplify right side
    745,582.27x = 435,570,187,389.73
  5. Step 5: Solve for x
    x = 435,570,187,389.73/745,582.27
  6. Step 6: Final answer
    x = 584,201.38

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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.