Home / 778,763.77-1,074,694.23-429,904.36

Finding the Fourth Proportional to 778,763.77, 1,074,694.23 and 429,904.36

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Solution

The fourth proportional to 778,763.77, 1,074,694.23 and 429,904.36 is: 593,268.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,763.77 : 1,074,694.23 = 429,904.36 : x
  2. Step 2: Convert to fraction form
    778,763.77/1,074,694.23 = 429,904.36/x
  3. Step 3: Cross multiply
    778,763.77x = 1,074,694.23 × 429,904.36
  4. Step 4: Simplify right side
    778,763.77x = 462,015,736,487.21
  5. Step 5: Solve for x
    x = 462,015,736,487.21/778,763.77
  6. Step 6: Final answer
    x = 593,268.15

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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.