Home / 753,890.64-1,130,833.51-304,606.12

Finding the Fourth Proportional to 753,890.64, 1,130,833.51 and 304,606.12

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Solution

The fourth proportional to 753,890.64, 1,130,833.51 and 304,606.12 is: 456,908.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,890.64 : 1,130,833.51 = 304,606.12 : x
  2. Step 2: Convert to fraction form
    753,890.64/1,130,833.51 = 304,606.12/x
  3. Step 3: Cross multiply
    753,890.64x = 1,130,833.51 × 304,606.12
  4. Step 4: Simplify right side
    753,890.64x = 344,458,806,378.80
  5. Step 5: Solve for x
    x = 344,458,806,378.80/753,890.64
  6. Step 6: Final answer
    x = 456,908.19

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Double scale
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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.