Home / 849,900.52-1,274,850.78-288,935.02

Finding the Fourth Proportional to 849,900.52, 1,274,850.78 and 288,935.02

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Solution

The fourth proportional to 849,900.52, 1,274,850.78 and 288,935.02 is: 433,402.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,900.52 : 1,274,850.78 = 288,935.02 : x
  2. Step 2: Convert to fraction form
    849,900.52/1,274,850.78 = 288,935.02/x
  3. Step 3: Cross multiply
    849,900.52x = 1,274,850.78 × 288,935.02
  4. Step 4: Simplify right side
    849,900.52x = 368,349,035,616.32
  5. Step 5: Solve for x
    x = 368,349,035,616.32/849,900.52
  6. Step 6: Final answer
    x = 433,402.53

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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.