Home / 1,480,930.57-2,221,395.84-358,999.57

Finding the Fourth Proportional to 1,480,930.57, 2,221,395.84 and 358,999.57

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Solution

The fourth proportional to 1,480,930.57, 2,221,395.84 and 358,999.57 is: 538,499.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,480,930.57 : 2,221,395.84 = 358,999.57 : x
  2. Step 2: Convert to fraction form
    1,480,930.57/2,221,395.84 = 358,999.57/x
  3. Step 3: Cross multiply
    1,480,930.57x = 2,221,395.84 × 358,999.57
  4. Step 4: Simplify right side
    1,480,930.57x = 797,480,151,359.79
  5. Step 5: Solve for x
    x = 797,480,151,359.79/1,480,930.57
  6. Step 6: Final answer
    x = 538,499.35

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Double scale
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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.