Home / 947,720.04-1,307,888.82-518,029.08

Finding the Fourth Proportional to 947,720.04, 1,307,888.82 and 518,029.08

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Solution

The fourth proportional to 947,720.04, 1,307,888.82 and 518,029.08 is: 714,899.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    947,720.04 : 1,307,888.82 = 518,029.08 : x
  2. Step 2: Convert to fraction form
    947,720.04/1,307,888.82 = 518,029.08/x
  3. Step 3: Cross multiply
    947,720.04x = 1,307,888.82 × 518,029.08
  4. Step 4: Simplify right side
    947,720.04x = 677,524,442,166.89
  5. Step 5: Solve for x
    x = 677,524,442,166.89/947,720.04
  6. Step 6: Final answer
    x = 714,899.35

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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.