Home / 947,569.12-1,307,642.50-517,849.25

Finding the Fourth Proportional to 947,569.12, 1,307,642.50 and 517,849.25

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Solution

The fourth proportional to 947,569.12, 1,307,642.50 and 517,849.25 is: 714,630.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    947,569.12 : 1,307,642.50 = 517,849.25 : x
  2. Step 2: Convert to fraction form
    947,569.12/1,307,642.50 = 517,849.25/x
  3. Step 3: Cross multiply
    947,569.12x = 1,307,642.50 × 517,849.25
  4. Step 4: Simplify right side
    947,569.12x = 677,161,687,173.06
  5. Step 5: Solve for x
    x = 677,161,687,173.06/947,569.12
  6. Step 6: Final answer
    x = 714,630.39

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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.