Home / 1,040,228.40-1,559,305.80-478,282.80

Finding the Fourth Proportional to 1,040,228.40, 1,559,305.80 and 478,282.80

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Solution

The fourth proportional to 1,040,228.40, 1,559,305.80 and 478,282.80 is: 716,947.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,040,228.40 : 1,559,305.80 = 478,282.80 : x
  2. Step 2: Convert to fraction form
    1,040,228.40/1,559,305.80 = 478,282.80/x
  3. Step 3: Cross multiply
    1,040,228.40x = 1,559,305.80 × 478,282.80
  4. Step 4: Simplify right side
    1,040,228.40x = 745,789,144,080.24
  5. Step 5: Solve for x
    x = 745,789,144,080.24/1,040,228.40
  6. Step 6: Final answer
    x = 716,947.49

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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.