Home / 873,209.51-1,309,980.77-304,752.98

Finding the Fourth Proportional to 873,209.51, 1,309,980.77 and 304,752.98

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Solution

The fourth proportional to 873,209.51, 1,309,980.77 and 304,752.98 is: 457,187.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    873,209.51 : 1,309,980.77 = 304,752.98 : x
  2. Step 2: Convert to fraction form
    873,209.51/1,309,980.77 = 304,752.98/x
  3. Step 3: Cross multiply
    873,209.51x = 1,309,980.77 × 304,752.98
  4. Step 4: Simplify right side
    873,209.51x = 399,220,538,925.56
  5. Step 5: Solve for x
    x = 399,220,538,925.56/873,209.51
  6. Step 6: Final answer
    x = 457,187.58

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.