Home / 778,937.99-1,074,890.70-434,796.12

Finding the Fourth Proportional to 778,937.99, 1,074,890.70 and 434,796.12

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Solution

The fourth proportional to 778,937.99, 1,074,890.70 and 434,796.12 is: 599,994.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,937.99 : 1,074,890.70 = 434,796.12 : x
  2. Step 2: Convert to fraction form
    778,937.99/1,074,890.70 = 434,796.12/x
  3. Step 3: Cross multiply
    778,937.99x = 1,074,890.70 × 434,796.12
  4. Step 4: Simplify right side
    778,937.99x = 467,358,305,784.08
  5. Step 5: Solve for x
    x = 467,358,305,784.08/778,937.99
  6. Step 6: Final answer
    x = 599,994.24

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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.