Home / 849,643.37-1,172,508.18-467,667.42

Finding the Fourth Proportional to 849,643.37, 1,172,508.18 and 467,667.42

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Solution

The fourth proportional to 849,643.37, 1,172,508.18 and 467,667.42 is: 645,381.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,643.37 : 1,172,508.18 = 467,667.42 : x
  2. Step 2: Convert to fraction form
    849,643.37/1,172,508.18 = 467,667.42/x
  3. Step 3: Cross multiply
    849,643.37x = 1,172,508.18 × 467,667.42
  4. Step 4: Simplify right side
    849,643.37x = 548,343,879,860.14
  5. Step 5: Solve for x
    x = 548,343,879,860.14/849,643.37
  6. Step 6: Final answer
    x = 645,381.22

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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.