Home / 947,916.84-1,308,126.34-545,509.16

Finding the Fourth Proportional to 947,916.84, 1,308,126.34 and 545,509.16

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Solution

The fourth proportional to 947,916.84, 1,308,126.34 and 545,509.16 is: 752,803.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    947,916.84 : 1,308,126.34 = 545,509.16 : x
  2. Step 2: Convert to fraction form
    947,916.84/1,308,126.34 = 545,509.16/x
  3. Step 3: Cross multiply
    947,916.84x = 1,308,126.34 × 545,509.16
  4. Step 4: Simplify right side
    947,916.84x = 713,594,900,907.28
  5. Step 5: Solve for x
    x = 713,594,900,907.28/947,916.84
  6. Step 6: Final answer
    x = 752,803.27

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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.