Home / 760,926.63-1,141,044.89-287,275.89

Finding the Fourth Proportional to 760,926.63, 1,141,044.89 and 287,275.89

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Solution

The fourth proportional to 760,926.63, 1,141,044.89 and 287,275.89 is: 430,783.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    760,926.63 : 1,141,044.89 = 287,275.89 : x
  2. Step 2: Convert to fraction form
    760,926.63/1,141,044.89 = 287,275.89/x
  3. Step 3: Cross multiply
    760,926.63x = 1,141,044.89 × 287,275.89
  4. Step 4: Simplify right side
    760,926.63x = 327,794,684,868.32
  5. Step 5: Solve for x
    x = 327,794,684,868.32/760,926.63
  6. Step 6: Final answer
    x = 430,783.56

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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.