Home / 1,480,811.31-2,221,217-358,880.31

Finding the Fourth Proportional to 1,480,811.31, 2,221,217 and 358,880.31

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Solution

The fourth proportional to 1,480,811.31, 2,221,217 and 358,880.31 is: 538,320.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,480,811.31 : 2,221,217 = 358,880.31 : x
  2. Step 2: Convert to fraction form
    1,480,811.31/2,221,217 = 358,880.31/x
  3. Step 3: Cross multiply
    1,480,811.31x = 2,221,217 × 358,880.31
  4. Step 4: Simplify right side
    1,480,811.31x = 797,151,045,537.27
  5. Step 5: Solve for x
    x = 797,151,045,537.27/1,480,811.31
  6. Step 6: Final answer
    x = 538,320.47

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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.