Home / 849,387.94-1,274,070.39-288,813.22

Finding the Fourth Proportional to 849,387.94, 1,274,070.39 and 288,813.22

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Solution

The fourth proportional to 849,387.94, 1,274,070.39 and 288,813.22 is: 433,215.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,387.94 : 1,274,070.39 = 288,813.22 : x
  2. Step 2: Convert to fraction form
    849,387.94/1,274,070.39 = 288,813.22/x
  3. Step 3: Cross multiply
    849,387.94x = 1,274,070.39 × 288,813.22
  4. Step 4: Simplify right side
    849,387.94x = 367,968,371,842.56
  5. Step 5: Solve for x
    x = 367,968,371,842.56/849,387.94
  6. Step 6: Final answer
    x = 433,215.91

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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.