Home / 778,462.11-1,074,030.44-456,069.15

Finding the Fourth Proportional to 778,462.11, 1,074,030.44 and 456,069.15

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Solution

The fourth proportional to 778,462.11, 1,074,030.44 and 456,069.15 is: 629,230.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,462.11 : 1,074,030.44 = 456,069.15 : x
  2. Step 2: Convert to fraction form
    778,462.11/1,074,030.44 = 456,069.15/x
  3. Step 3: Cross multiply
    778,462.11x = 1,074,030.44 × 456,069.15
  4. Step 4: Simplify right side
    778,462.11x = 489,832,147,564.58
  5. Step 5: Solve for x
    x = 489,832,147,564.58/778,462.11
  6. Step 6: Final answer
    x = 629,230.56

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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.