Home / 849,722.32-1,172,604.36-467,739.28

Finding the Fourth Proportional to 849,722.32, 1,172,604.36 and 467,739.28

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Solution

The fourth proportional to 849,722.32, 1,172,604.36 and 467,739.28 is: 645,473.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,722.32 : 1,172,604.36 = 467,739.28 : x
  2. Step 2: Convert to fraction form
    849,722.32/1,172,604.36 = 467,739.28/x
  3. Step 3: Cross multiply
    849,722.32x = 1,172,604.36 × 467,739.28
  4. Step 4: Simplify right side
    849,722.32x = 548,473,119,071.26
  5. Step 5: Solve for x
    x = 548,473,119,071.26/849,722.32
  6. Step 6: Final answer
    x = 645,473.36

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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.