Home / 849,731.70-1,172,644.66-462,558.25

Finding the Fourth Proportional to 849,731.70, 1,172,644.66 and 462,558.25

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Solution

The fourth proportional to 849,731.70, 1,172,644.66 and 462,558.25 is: 638,338.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,731.70 : 1,172,644.66 = 462,558.25 : x
  2. Step 2: Convert to fraction form
    849,731.70/1,172,644.66 = 462,558.25/x
  3. Step 3: Cross multiply
    849,731.70x = 1,172,644.66 × 462,558.25
  4. Step 4: Simplify right side
    849,731.70x = 542,416,461,801.45
  5. Step 5: Solve for x
    x = 542,416,461,801.45/849,731.70
  6. Step 6: Final answer
    x = 638,338.50

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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.