Home / 849,735.32-1,172,649.66-462,561.87

Finding the Fourth Proportional to 849,735.32, 1,172,649.66 and 462,561.87

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Solution

The fourth proportional to 849,735.32, 1,172,649.66 and 462,561.87 is: 638,343.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,735.32 : 1,172,649.66 = 462,561.87 : x
  2. Step 2: Convert to fraction form
    849,735.32/1,172,649.66 = 462,561.87/x
  3. Step 3: Cross multiply
    849,735.32x = 1,172,649.66 × 462,561.87
  4. Step 4: Simplify right side
    849,735.32x = 542,423,019,584.46
  5. Step 5: Solve for x
    x = 542,423,019,584.46/849,735.32
  6. Step 6: Final answer
    x = 638,343.50

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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.