Home / 947,649.20-1,307,755.95-517,929.34

Finding the Fourth Proportional to 947,649.20, 1,307,755.95 and 517,929.34

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Solution

The fourth proportional to 947,649.20, 1,307,755.95 and 517,929.34 is: 714,742.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    947,649.20 : 1,307,755.95 = 517,929.34 : x
  2. Step 2: Convert to fraction form
    947,649.20/1,307,755.95 = 517,929.34/x
  3. Step 3: Cross multiply
    947,649.20x = 1,307,755.95 × 517,929.34
  4. Step 4: Simplify right side
    947,649.20x = 677,325,176,064.57
  5. Step 5: Solve for x
    x = 677,325,176,064.57/947,649.20
  6. Step 6: Final answer
    x = 714,742.52

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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.