Home / 745,009.97-1,117,681.53-271,695.32

Finding the Fourth Proportional to 745,009.97, 1,117,681.53 and 271,695.32

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Solution

The fourth proportional to 745,009.97, 1,117,681.53 and 271,695.32 is: 407,603.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,009.97 : 1,117,681.53 = 271,695.32 : x
  2. Step 2: Convert to fraction form
    745,009.97/1,117,681.53 = 271,695.32/x
  3. Step 3: Cross multiply
    745,009.97x = 1,117,681.53 × 271,695.32
  4. Step 4: Simplify right side
    745,009.97x = 303,668,835,363.03
  5. Step 5: Solve for x
    x = 303,668,835,363.03/745,009.97
  6. Step 6: Final answer
    x = 407,603.72

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.