Home / 931,269.80-1,396,904.70-266,421.80

Finding the Fourth Proportional to 931,269.80, 1,396,904.70 and 266,421.80

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Solution

The fourth proportional to 931,269.80, 1,396,904.70 and 266,421.80 is: 399,632.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    931,269.80 : 1,396,904.70 = 266,421.80 : x
  2. Step 2: Convert to fraction form
    931,269.80/1,396,904.70 = 266,421.80/x
  3. Step 3: Cross multiply
    931,269.80x = 1,396,904.70 × 266,421.80
  4. Step 4: Simplify right side
    931,269.80x = 372,165,864,602.46
  5. Step 5: Solve for x
    x = 372,165,864,602.46/931,269.80
  6. Step 6: Final answer
    x = 399,632.70

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Similar ratio
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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.