Home / 947,518.56-1,307,579.04-517,805.28

Finding the Fourth Proportional to 947,518.56, 1,307,579.04 and 517,805.28

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Solution

The fourth proportional to 947,518.56, 1,307,579.04 and 517,805.28 is: 714,573.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    947,518.56 : 1,307,579.04 = 517,805.28 : x
  2. Step 2: Convert to fraction form
    947,518.56/1,307,579.04 = 517,805.28/x
  3. Step 3: Cross multiply
    947,518.56x = 1,307,579.04 × 517,805.28
  4. Step 4: Simplify right side
    947,518.56x = 677,071,330,929.33
  5. Step 5: Solve for x
    x = 677,071,330,929.33/947,518.56
  6. Step 6: Final answer
    x = 714,573.16

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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.