Home / 849,699.15-1,172,615.76-462,495.81

Finding the Fourth Proportional to 849,699.15, 1,172,615.76 and 462,495.81

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Solution

The fourth proportional to 849,699.15, 1,172,615.76 and 462,495.81 is: 638,261.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,699.15 : 1,172,615.76 = 462,495.81 : x
  2. Step 2: Convert to fraction form
    849,699.15/1,172,615.76 = 462,495.81/x
  3. Step 3: Cross multiply
    849,699.15x = 1,172,615.76 × 462,495.81
  4. Step 4: Simplify right side
    849,699.15x = 542,329,875,739.97
  5. Step 5: Solve for x
    x = 542,329,875,739.97/849,699.15
  6. Step 6: Final answer
    x = 638,261.05

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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.