Home / 947,900.10-1,307,782.75-539,713.24

Finding the Fourth Proportional to 947,900.10, 1,307,782.75 and 539,713.24

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Solution

The fourth proportional to 947,900.10, 1,307,782.75 and 539,713.24 is: 744,622.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    947,900.10 : 1,307,782.75 = 539,713.24 : x
  2. Step 2: Convert to fraction form
    947,900.10/1,307,782.75 = 539,713.24/x
  3. Step 3: Cross multiply
    947,900.10x = 1,307,782.75 × 539,713.24
  4. Step 4: Simplify right side
    947,900.10x = 705,827,665,218.61
  5. Step 5: Solve for x
    x = 705,827,665,218.61/947,900.10
  6. Step 6: Final answer
    x = 744,622.42

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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.