Home / 698,727.80-1,048,091.70-486,151.40

Finding the Fourth Proportional to 698,727.80, 1,048,091.70 and 486,151.40

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Solution

The fourth proportional to 698,727.80, 1,048,091.70 and 486,151.40 is: 729,227.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,727.80 : 1,048,091.70 = 486,151.40 : x
  2. Step 2: Convert to fraction form
    698,727.80/1,048,091.70 = 486,151.40/x
  3. Step 3: Cross multiply
    698,727.80x = 1,048,091.70 × 486,151.40
  4. Step 4: Simplify right side
    698,727.80x = 509,531,247,283.38
  5. Step 5: Solve for x
    x = 509,531,247,283.38/698,727.80
  6. Step 6: Final answer
    x = 729,227.10

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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.