Home / 1,097,411.20-1,646,116.80-349,532.80

Finding the Fourth Proportional to 1,097,411.20, 1,646,116.80 and 349,532.80

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Solution

The fourth proportional to 1,097,411.20, 1,646,116.80 and 349,532.80 is: 524,299.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,097,411.20 : 1,646,116.80 = 349,532.80 : x
  2. Step 2: Convert to fraction form
    1,097,411.20/1,646,116.80 = 349,532.80/x
  3. Step 3: Cross multiply
    1,097,411.20x = 1,646,116.80 × 349,532.80
  4. Step 4: Simplify right side
    1,097,411.20x = 575,371,814,231.04
  5. Step 5: Solve for x
    x = 575,371,814,231.04/1,097,411.20
  6. Step 6: Final answer
    x = 524,299.20

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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.