Home / 849,515.69-1,274,232.02-316,995.20

Finding the Fourth Proportional to 849,515.69, 1,274,232.02 and 316,995.20

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Solution

The fourth proportional to 849,515.69, 1,274,232.02 and 316,995.20 is: 475,477.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,515.69 : 1,274,232.02 = 316,995.20 : x
  2. Step 2: Convert to fraction form
    849,515.69/1,274,232.02 = 316,995.20/x
  3. Step 3: Cross multiply
    849,515.69x = 1,274,232.02 × 316,995.20
  4. Step 4: Simplify right side
    849,515.69x = 403,925,440,393.56
  5. Step 5: Solve for x
    x = 403,925,440,393.56/849,515.69
  6. Step 6: Final answer
    x = 475,477.31

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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.