Home / 745,582.77-1,028,933.34-423,322.85

Finding the Fourth Proportional to 745,582.77, 1,028,933.34 and 423,322.85

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Solution

The fourth proportional to 745,582.77, 1,028,933.34 and 423,322.85 is: 584,202.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,582.77 : 1,028,933.34 = 423,322.85 : x
  2. Step 2: Convert to fraction form
    745,582.77/1,028,933.34 = 423,322.85/x
  3. Step 3: Cross multiply
    745,582.77x = 1,028,933.34 × 423,322.85
  4. Step 4: Simplify right side
    745,582.77x = 435,570,993,948.82
  5. Step 5: Solve for x
    x = 435,570,993,948.82/745,582.77
  6. Step 6: Final answer
    x = 584,202.07

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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.