Home / 947,915.84-1,308,124.96-545,508.16

Finding the Fourth Proportional to 947,915.84, 1,308,124.96 and 545,508.16

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Solution

The fourth proportional to 947,915.84, 1,308,124.96 and 545,508.16 is: 752,801.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    947,915.84 : 1,308,124.96 = 545,508.16 : x
  2. Step 2: Convert to fraction form
    947,915.84/1,308,124.96 = 545,508.16/x
  3. Step 3: Cross multiply
    947,915.84x = 1,308,124.96 × 545,508.16
  4. Step 4: Simplify right side
    947,915.84x = 713,592,839,979.67
  5. Step 5: Solve for x
    x = 713,592,839,979.67/947,915.84
  6. Step 6: Final answer
    x = 752,801.89

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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.