Home / 515,528.04-711,101.52-372,498.24

Finding the Fourth Proportional to 515,528.04, 711,101.52 and 372,498.24

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Solution

The fourth proportional to 515,528.04, 711,101.52 and 372,498.24 is: 513,811.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    515,528.04 : 711,101.52 = 372,498.24 : x
  2. Step 2: Convert to fraction form
    515,528.04/711,101.52 = 372,498.24/x
  3. Step 3: Cross multiply
    515,528.04x = 711,101.52 × 372,498.24
  4. Step 4: Simplify right side
    515,528.04x = 264,884,064,661.33
  5. Step 5: Solve for x
    x = 264,884,064,661.33/515,528.04
  6. Step 6: Final answer
    x = 513,811.17

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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.