Home / 842,907.72-1,163,213.82-475,389.66

Finding the Fourth Proportional to 842,907.72, 1,163,213.82 and 475,389.66

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Solution

The fourth proportional to 842,907.72, 1,163,213.82 and 475,389.66 is: 656,038.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    842,907.72 : 1,163,213.82 = 475,389.66 : x
  2. Step 2: Convert to fraction form
    842,907.72/1,163,213.82 = 475,389.66/x
  3. Step 3: Cross multiply
    842,907.72x = 1,163,213.82 × 475,389.66
  4. Step 4: Simplify right side
    842,907.72x = 552,979,822,397.10
  5. Step 5: Solve for x
    x = 552,979,822,397.10/842,907.72
  6. Step 6: Final answer
    x = 656,038.39

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.