Home / 723,009.10-1,084,513.65-368,715.10

Finding the Fourth Proportional to 723,009.10, 1,084,513.65 and 368,715.10

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Solution

The fourth proportional to 723,009.10, 1,084,513.65 and 368,715.10 is: 553,072.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,009.10 : 1,084,513.65 = 368,715.10 : x
  2. Step 2: Convert to fraction form
    723,009.10/1,084,513.65 = 368,715.10/x
  3. Step 3: Cross multiply
    723,009.10x = 1,084,513.65 × 368,715.10
  4. Step 4: Simplify right side
    723,009.10x = 399,876,558,911.12
  5. Step 5: Solve for x
    x = 399,876,558,911.12/723,009.10
  6. Step 6: Final answer
    x = 553,072.65

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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.