Home / 947,648.20-1,307,754.57-517,928.34

Finding the Fourth Proportional to 947,648.20, 1,307,754.57 and 517,928.34

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Solution

The fourth proportional to 947,648.20, 1,307,754.57 and 517,928.34 is: 714,741.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    947,648.20 : 1,307,754.57 = 517,928.34 : x
  2. Step 2: Convert to fraction form
    947,648.20/1,307,754.57 = 517,928.34/x
  3. Step 3: Cross multiply
    947,648.20x = 1,307,754.57 × 517,928.34
  4. Step 4: Simplify right side
    947,648.20x = 677,323,153,567.51
  5. Step 5: Solve for x
    x = 677,323,153,567.51/947,648.20
  6. Step 6: Final answer
    x = 714,741.14

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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.