Home / 931,421.76-1,396,487.07-475,126.89

Finding the Fourth Proportional to 931,421.76, 1,396,487.07 and 475,126.89

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Solution

The fourth proportional to 931,421.76, 1,396,487.07 and 475,126.89 is: 712,361.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    931,421.76 : 1,396,487.07 = 475,126.89 : x
  2. Step 2: Convert to fraction form
    931,421.76/1,396,487.07 = 475,126.89/x
  3. Step 3: Cross multiply
    931,421.76x = 1,396,487.07 × 475,126.89
  4. Step 4: Simplify right side
    931,421.76x = 663,508,558,494.31
  5. Step 5: Solve for x
    x = 663,508,558,494.31/931,421.76
  6. Step 6: Final answer
    x = 712,361.02

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1.5x scale

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.