Home / 947,721.04-1,307,890.20-518,030.08

Finding the Fourth Proportional to 947,721.04, 1,307,890.20 and 518,030.08

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Solution

The fourth proportional to 947,721.04, 1,307,890.20 and 518,030.08 is: 714,900.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    947,721.04 : 1,307,890.20 = 518,030.08 : x
  2. Step 2: Convert to fraction form
    947,721.04/1,307,890.20 = 518,030.08/x
  3. Step 3: Cross multiply
    947,721.04x = 1,307,890.20 × 518,030.08
  4. Step 4: Simplify right side
    947,721.04x = 677,526,464,937.22
  5. Step 5: Solve for x
    x = 677,526,464,937.22/947,721.04
  6. Step 6: Final answer
    x = 714,900.73

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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.