Home / 743,450.40-1,115,175.60-535,053.60

Finding the Fourth Proportional to 743,450.40, 1,115,175.60 and 535,053.60

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Solution

The fourth proportional to 743,450.40, 1,115,175.60 and 535,053.60 is: 802,580.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,450.40 : 1,115,175.60 = 535,053.60 : x
  2. Step 2: Convert to fraction form
    743,450.40/1,115,175.60 = 535,053.60/x
  3. Step 3: Cross multiply
    743,450.40x = 1,115,175.60 × 535,053.60
  4. Step 4: Simplify right side
    743,450.40x = 596,678,719,412.16
  5. Step 5: Solve for x
    x = 596,678,719,412.16/743,450.40
  6. Step 6: Final answer
    x = 802,580.40

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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.