Home / 947,641.17-1,307,741.66-517,921.17

Finding the Fourth Proportional to 947,641.17, 1,307,741.66 and 517,921.17

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Solution

The fourth proportional to 947,641.17, 1,307,741.66 and 517,921.17 is: 714,729.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    947,641.17 : 1,307,741.66 = 517,921.17 : x
  2. Step 2: Convert to fraction form
    947,641.17/1,307,741.66 = 517,921.17/x
  3. Step 3: Cross multiply
    947,641.17x = 1,307,741.66 × 517,921.17
  4. Step 4: Simplify right side
    947,641.17x = 677,307,088,015.34
  5. Step 5: Solve for x
    x = 677,307,088,015.34/947,641.17
  6. Step 6: Final answer
    x = 714,729.49

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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.