Home / 849,920.40-1,274,880.51-288,954.90

Finding the Fourth Proportional to 849,920.40, 1,274,880.51 and 288,954.90

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Solution

The fourth proportional to 849,920.40, 1,274,880.51 and 288,954.90 is: 433,432.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,920.40 : 1,274,880.51 = 288,954.90 : x
  2. Step 2: Convert to fraction form
    849,920.40/1,274,880.51 = 288,954.90/x
  3. Step 3: Cross multiply
    849,920.40x = 1,274,880.51 × 288,954.90
  4. Step 4: Simplify right side
    849,920.40x = 368,382,970,279.00
  5. Step 5: Solve for x
    x = 368,382,970,279.00/849,920.40
  6. Step 6: Final answer
    x = 433,432.32

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Similar ratio
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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.