Home / 761,246.71-1,050,632.33-438,893.71

Finding the Fourth Proportional to 761,246.71, 1,050,632.33 and 438,893.71

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Solution

The fourth proportional to 761,246.71, 1,050,632.33 and 438,893.71 is: 605,737.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,246.71 : 1,050,632.33 = 438,893.71 : x
  2. Step 2: Convert to fraction form
    761,246.71/1,050,632.33 = 438,893.71/x
  3. Step 3: Cross multiply
    761,246.71x = 1,050,632.33 × 438,893.71
  4. Step 4: Simplify right side
    761,246.71x = 461,115,921,159.64
  5. Step 5: Solve for x
    x = 461,115,921,159.64/761,246.71
  6. Step 6: Final answer
    x = 605,737.82

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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.