Home / 761,227.28-1,141,063.32-495,521.36

Finding the Fourth Proportional to 761,227.28, 1,141,063.32 and 495,521.36

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Solution

The fourth proportional to 761,227.28, 1,141,063.32 and 495,521.36 is: 742,775.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,227.28 : 1,141,063.32 = 495,521.36 : x
  2. Step 2: Convert to fraction form
    761,227.28/1,141,063.32 = 495,521.36/x
  3. Step 3: Cross multiply
    761,227.28x = 1,141,063.32 × 495,521.36
  4. Step 4: Simplify right side
    761,227.28x = 565,421,248,172.52
  5. Step 5: Solve for x
    x = 565,421,248,172.52/761,227.28
  6. Step 6: Final answer
    x = 742,775.86

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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.