Home / 849,987.77-1,172,938.61-467,940.74

Finding the Fourth Proportional to 849,987.77, 1,172,938.61 and 467,940.74

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Solution

The fourth proportional to 849,987.77, 1,172,938.61 and 467,940.74 is: 645,733.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,987.77 : 1,172,938.61 = 467,940.74 : x
  2. Step 2: Convert to fraction form
    849,987.77/1,172,938.61 = 467,940.74/x
  3. Step 3: Cross multiply
    849,987.77x = 1,172,938.61 × 467,940.74
  4. Step 4: Simplify right side
    849,987.77x = 548,865,758,798.27
  5. Step 5: Solve for x
    x = 548,865,758,798.27/849,987.77
  6. Step 6: Final answer
    x = 645,733.71

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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.