Home / 849,718.08-1,172,644.44-467,780.40

Finding the Fourth Proportional to 849,718.08, 1,172,644.44 and 467,780.40

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Solution

The fourth proportional to 849,718.08, 1,172,644.44 and 467,780.40 is: 645,555.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,718.08 : 1,172,644.44 = 467,780.40 : x
  2. Step 2: Convert to fraction form
    849,718.08/1,172,644.44 = 467,780.40/x
  3. Step 3: Cross multiply
    849,718.08x = 1,172,644.44 × 467,780.40
  4. Step 4: Simplify right side
    849,718.08x = 548,540,085,200.98
  5. Step 5: Solve for x
    x = 548,540,085,200.98/849,718.08
  6. Step 6: Final answer
    x = 645,555.39

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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.