Home / 849,515.95-1,274,232.40-316,995.46

Finding the Fourth Proportional to 849,515.95, 1,274,232.40 and 316,995.46

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Solution

The fourth proportional to 849,515.95, 1,274,232.40 and 316,995.46 is: 475,477.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,515.95 : 1,274,232.40 = 316,995.46 : x
  2. Step 2: Convert to fraction form
    849,515.95/1,274,232.40 = 316,995.46/x
  3. Step 3: Cross multiply
    849,515.95x = 1,274,232.40 × 316,995.46
  4. Step 4: Simplify right side
    849,515.95x = 403,925,878,621.25
  5. Step 5: Solve for x
    x = 403,925,878,621.25/849,515.95
  6. Step 6: Final answer
    x = 475,477.69

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Double scale
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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.