Home / 931,984.11-1,398,507.12-363,291.21

Finding the Fourth Proportional to 931,984.11, 1,398,507.12 and 363,291.21

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Solution

The fourth proportional to 931,984.11, 1,398,507.12 and 363,291.21 is: 545,143.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    931,984.11 : 1,398,507.12 = 363,291.21 : x
  2. Step 2: Convert to fraction form
    931,984.11/1,398,507.12 = 363,291.21/x
  3. Step 3: Cross multiply
    931,984.11x = 1,398,507.12 × 363,291.21
  4. Step 4: Simplify right side
    931,984.11x = 508,065,343,818.42
  5. Step 5: Solve for x
    x = 508,065,343,818.42/931,984.11
  6. Step 6: Final answer
    x = 545,143.78

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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.