Home / 527,182.04-727,564.91-380,127.86

Finding the Fourth Proportional to 527,182.04, 727,564.91 and 380,127.86

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Solution

The fourth proportional to 527,182.04, 727,564.91 and 380,127.86 is: 524,615.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,182.04 : 727,564.91 = 380,127.86 : x
  2. Step 2: Convert to fraction form
    527,182.04/727,564.91 = 380,127.86/x
  3. Step 3: Cross multiply
    527,182.04x = 727,564.91 × 380,127.86
  4. Step 4: Simplify right side
    527,182.04x = 276,567,686,710.93
  5. Step 5: Solve for x
    x = 276,567,686,710.93/527,182.04
  6. Step 6: Final answer
    x = 524,615.16

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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.