Home / 849,195.30-1,273,792.95-316,688.15

Finding the Fourth Proportional to 849,195.30, 1,273,792.95 and 316,688.15

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Solution

The fourth proportional to 849,195.30, 1,273,792.95 and 316,688.15 is: 475,032.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,195.30 : 1,273,792.95 = 316,688.15 : x
  2. Step 2: Convert to fraction form
    849,195.30/1,273,792.95 = 316,688.15/x
  3. Step 3: Cross multiply
    849,195.30x = 1,273,792.95 × 316,688.15
  4. Step 4: Simplify right side
    849,195.30x = 403,395,126,449.58
  5. Step 5: Solve for x
    x = 403,395,126,449.58/849,195.30
  6. Step 6: Final answer
    x = 475,032.22

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Similar ratio
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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.