Home / 849,140.66-1,273,669.45-316,620.16

Finding the Fourth Proportional to 849,140.66, 1,273,669.45 and 316,620.16

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Solution

The fourth proportional to 849,140.66, 1,273,669.45 and 316,620.16 is: 474,914.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,140.66 : 1,273,669.45 = 316,620.16 : x
  2. Step 2: Convert to fraction form
    849,140.66/1,273,669.45 = 316,620.16/x
  3. Step 3: Cross multiply
    849,140.66x = 1,273,669.45 × 316,620.16
  4. Step 4: Simplify right side
    849,140.66x = 403,269,425,046.11
  5. Step 5: Solve for x
    x = 403,269,425,046.11/849,140.66
  6. Step 6: Final answer
    x = 474,914.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.