Home / 947,398.98-1,307,419.74-517,679.04

Finding the Fourth Proportional to 947,398.98, 1,307,419.74 and 517,679.04

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Solution

The fourth proportional to 947,398.98, 1,307,419.74 and 517,679.04 is: 714,402.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    947,398.98 : 1,307,419.74 = 517,679.04 : x
  2. Step 2: Convert to fraction form
    947,398.98/1,307,419.74 = 517,679.04/x
  3. Step 3: Cross multiply
    947,398.98x = 1,307,419.74 × 517,679.04
  4. Step 4: Simplify right side
    947,398.98x = 676,823,795,880.25
  5. Step 5: Solve for x
    x = 676,823,795,880.25/947,398.98
  6. Step 6: Final answer
    x = 714,402.07

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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.