Home / 778,730.96-1,074,646.68-434,563.32

Finding the Fourth Proportional to 778,730.96, 1,074,646.68 and 434,563.32

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Solution

The fourth proportional to 778,730.96, 1,074,646.68 and 434,563.32 is: 599,696.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,730.96 : 1,074,646.68 = 434,563.32 : x
  2. Step 2: Convert to fraction form
    778,730.96/1,074,646.68 = 434,563.32/x
  3. Step 3: Cross multiply
    778,730.96x = 1,074,646.68 × 434,563.32
  4. Step 4: Simplify right side
    778,730.96x = 467,002,029,087.78
  5. Step 5: Solve for x
    x = 467,002,029,087.78/778,730.96
  6. Step 6: Final answer
    x = 599,696.24

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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.