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Finding the Fourth Proportional to 364,539.29, 499,421.57 and 350,905.77

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Solution

The fourth proportional to 364,539.29, 499,421.57 and 350,905.77 is: 480,743.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,539.29 : 499,421.57 = 350,905.77 : x
  2. Step 2: Convert to fraction form
    364,539.29/499,421.57 = 350,905.77/x
  3. Step 3: Cross multiply
    364,539.29x = 499,421.57 × 350,905.77
  4. Step 4: Simplify right side
    364,539.29x = 175,249,908,820.93
  5. Step 5: Solve for x
    x = 175,249,908,820.93/364,539.29
  6. Step 6: Final answer
    x = 480,743.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.