Home / 774,062.30-1,068,205.92-434,530.28

Finding the Fourth Proportional to 774,062.30, 1,068,205.92 and 434,530.28

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Solution

The fourth proportional to 774,062.30, 1,068,205.92 and 434,530.28 is: 599,651.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,062.30 : 1,068,205.92 = 434,530.28 : x
  2. Step 2: Convert to fraction form
    774,062.30/1,068,205.92 = 434,530.28/x
  3. Step 3: Cross multiply
    774,062.30x = 1,068,205.92 × 434,530.28
  4. Step 4: Simplify right side
    774,062.30x = 464,167,817,515.26
  5. Step 5: Solve for x
    x = 464,167,817,515.26/774,062.30
  6. Step 6: Final answer
    x = 599,651.76

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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.