Home / 1,007,358.39-1,511,096.49-287,644.59

Finding the Fourth Proportional to 1,007,358.39, 1,511,096.49 and 287,644.59

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Solution

The fourth proportional to 1,007,358.39, 1,511,096.49 and 287,644.59 is: 431,483.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,007,358.39 : 1,511,096.49 = 287,644.59 : x
  2. Step 2: Convert to fraction form
    1,007,358.39/1,511,096.49 = 287,644.59/x
  3. Step 3: Cross multiply
    1,007,358.39x = 1,511,096.49 × 287,644.59
  4. Step 4: Simplify right side
    1,007,358.39x = 434,658,730,316.49
  5. Step 5: Solve for x
    x = 434,658,730,316.49/1,007,358.39
  6. Step 6: Final answer
    x = 431,483.70

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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.