Home / 869,007.40-1,303,511.10-237,920.20

Finding the Fourth Proportional to 869,007.40, 1,303,511.10 and 237,920.20

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Solution

The fourth proportional to 869,007.40, 1,303,511.10 and 237,920.20 is: 356,880.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,007.40 : 1,303,511.10 = 237,920.20 : x
  2. Step 2: Convert to fraction form
    869,007.40/1,303,511.10 = 237,920.20/x
  3. Step 3: Cross multiply
    869,007.40x = 1,303,511.10 × 237,920.20
  4. Step 4: Simplify right side
    869,007.40x = 310,131,621,614.22
  5. Step 5: Solve for x
    x = 310,131,621,614.22/869,007.40
  6. Step 6: Final answer
    x = 356,880.30

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Half scale
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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.