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Finding the Fourth Proportional to 659,054.97, 909,526.19 and 372,587.13

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Solution

The fourth proportional to 659,054.97, 909,526.19 and 372,587.13 is: 514,187.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,054.97 : 909,526.19 = 372,587.13 : x
  2. Step 2: Convert to fraction form
    659,054.97/909,526.19 = 372,587.13/x
  3. Step 3: Cross multiply
    659,054.97x = 909,526.19 × 372,587.13
  4. Step 4: Simplify right side
    659,054.97x = 338,877,750,929.00
  5. Step 5: Solve for x
    x = 338,877,750,929.00/659,054.97
  6. Step 6: Final answer
    x = 514,187.38

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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.