Home / 947,291.90-1,307,247.56-517,562.82

Finding the Fourth Proportional to 947,291.90, 1,307,247.56 and 517,562.82

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Solution

The fourth proportional to 947,291.90, 1,307,247.56 and 517,562.82 is: 714,228.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    947,291.90 : 1,307,247.56 = 517,562.82 : x
  2. Step 2: Convert to fraction form
    947,291.90/1,307,247.56 = 517,562.82/x
  3. Step 3: Cross multiply
    947,291.90x = 1,307,247.56 × 517,562.82
  4. Step 4: Simplify right side
    947,291.90x = 676,582,733,591.72
  5. Step 5: Solve for x
    x = 676,582,733,591.72/947,291.90
  6. Step 6: Final answer
    x = 714,228.35

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1.5x scale

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.