Home / 849,643.04-1,172,498.28-467,661.68

Finding the Fourth Proportional to 849,643.04, 1,172,498.28 and 467,661.68

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Solution

The fourth proportional to 849,643.04, 1,172,498.28 and 467,661.68 is: 645,368.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,643.04 : 1,172,498.28 = 467,661.68 : x
  2. Step 2: Convert to fraction form
    849,643.04/1,172,498.28 = 467,661.68/x
  3. Step 3: Cross multiply
    849,643.04x = 1,172,498.28 × 467,661.68
  4. Step 4: Simplify right side
    849,643.04x = 548,332,515,421.91
  5. Step 5: Solve for x
    x = 548,332,515,421.91/849,643.04
  6. Step 6: Final answer
    x = 645,368.10

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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.