Home / 774,663.08-1,068,859.90-468,731.85

Finding the Fourth Proportional to 774,663.08, 1,068,859.90 and 468,731.85

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Solution

The fourth proportional to 774,663.08, 1,068,859.90 and 468,731.85 is: 646,743.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,663.08 : 1,068,859.90 = 468,731.85 : x
  2. Step 2: Convert to fraction form
    774,663.08/1,068,859.90 = 468,731.85/x
  3. Step 3: Cross multiply
    774,663.08x = 1,068,859.90 × 468,731.85
  4. Step 4: Simplify right side
    774,663.08x = 501,008,674,895.51
  5. Step 5: Solve for x
    x = 501,008,674,895.51/774,663.08
  6. Step 6: Final answer
    x = 646,743.97

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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.