Home / 760,925.88-1,141,043.76-287,275.14

Finding the Fourth Proportional to 760,925.88, 1,141,043.76 and 287,275.14

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Solution

The fourth proportional to 760,925.88, 1,141,043.76 and 287,275.14 is: 430,782.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    760,925.88 : 1,141,043.76 = 287,275.14 : x
  2. Step 2: Convert to fraction form
    760,925.88/1,141,043.76 = 287,275.14/x
  3. Step 3: Cross multiply
    760,925.88x = 1,141,043.76 × 287,275.14
  4. Step 4: Simplify right side
    760,925.88x = 327,793,505,900.13
  5. Step 5: Solve for x
    x = 327,793,505,900.13/760,925.88
  6. Step 6: Final answer
    x = 430,782.44

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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.