Home / 849,756.69-1,172,664.34-467,783.51

Finding the Fourth Proportional to 849,756.69, 1,172,664.34 and 467,783.51

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Solution

The fourth proportional to 849,756.69, 1,172,664.34 and 467,783.51 is: 645,541.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,756.69 : 1,172,664.34 = 467,783.51 : x
  2. Step 2: Convert to fraction form
    849,756.69/1,172,664.34 = 467,783.51/x
  3. Step 3: Cross multiply
    849,756.69x = 1,172,664.34 × 467,783.51
  4. Step 4: Simplify right side
    849,756.69x = 548,553,033,984.25
  5. Step 5: Solve for x
    x = 548,553,033,984.25/849,756.69
  6. Step 6: Final answer
    x = 645,541.29

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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.