Home / 849,667.14-1,172,565.57-462,507.81

Finding the Fourth Proportional to 849,667.14, 1,172,565.57 and 462,507.81

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Solution

The fourth proportional to 849,667.14, 1,172,565.57 and 462,507.81 is: 638,274.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,667.14 : 1,172,565.57 = 462,507.81 : x
  2. Step 2: Convert to fraction form
    849,667.14/1,172,565.57 = 462,507.81/x
  3. Step 3: Cross multiply
    849,667.14x = 1,172,565.57 × 462,507.81
  4. Step 4: Simplify right side
    849,667.14x = 542,320,733,862.10
  5. Step 5: Solve for x
    x = 542,320,733,862.10/849,667.14
  6. Step 6: Final answer
    x = 638,274.34

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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.