Home / 965,439.90-1,448,112.78-358,346.43

Finding the Fourth Proportional to 965,439.90, 1,448,112.78 and 358,346.43

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Solution

The fourth proportional to 965,439.90, 1,448,112.78 and 358,346.43 is: 537,502.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    965,439.90 : 1,448,112.78 = 358,346.43 : x
  2. Step 2: Convert to fraction form
    965,439.90/1,448,112.78 = 358,346.43/x
  3. Step 3: Cross multiply
    965,439.90x = 1,448,112.78 × 358,346.43
  4. Step 4: Simplify right side
    965,439.90x = 518,926,044,950.38
  5. Step 5: Solve for x
    x = 518,926,044,950.38/965,439.90
  6. Step 6: Final answer
    x = 537,502.17

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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.