Home / 928,933.32-1,282,030.38-521,074.92

Finding the Fourth Proportional to 928,933.32, 1,282,030.38 and 521,074.92

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Solution

The fourth proportional to 928,933.32, 1,282,030.38 and 521,074.92 is: 719,140.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    928,933.32 : 1,282,030.38 = 521,074.92 : x
  2. Step 2: Convert to fraction form
    928,933.32/1,282,030.38 = 521,074.92/x
  3. Step 3: Cross multiply
    928,933.32x = 1,282,030.38 × 521,074.92
  4. Step 4: Simplify right side
    928,933.32x = 668,033,877,696.07
  5. Step 5: Solve for x
    x = 668,033,877,696.07/928,933.32
  6. Step 6: Final answer
    x = 719,140.83

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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.