Home / 849,698.15-1,172,614.38-462,494.81

Finding the Fourth Proportional to 849,698.15, 1,172,614.38 and 462,494.81

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Solution

The fourth proportional to 849,698.15, 1,172,614.38 and 462,494.81 is: 638,259.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,698.15 : 1,172,614.38 = 462,494.81 : x
  2. Step 2: Convert to fraction form
    849,698.15/1,172,614.38 = 462,494.81/x
  3. Step 3: Cross multiply
    849,698.15x = 1,172,614.38 × 462,494.81
  4. Step 4: Simplify right side
    849,698.15x = 542,328,067,812.90
  5. Step 5: Solve for x
    x = 542,328,067,812.90/849,698.15
  6. Step 6: Final answer
    x = 638,259.68

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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.