Home / 698,719.71-1,048,118.45-200,070.75

Finding the Fourth Proportional to 698,719.71, 1,048,118.45 and 200,070.75

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Solution

The fourth proportional to 698,719.71, 1,048,118.45 and 200,070.75 is: 300,117.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,719.71 : 1,048,118.45 = 200,070.75 : x
  2. Step 2: Convert to fraction form
    698,719.71/1,048,118.45 = 200,070.75/x
  3. Step 3: Cross multiply
    698,719.71x = 1,048,118.45 × 200,070.75
  4. Step 4: Simplify right side
    698,719.71x = 209,697,843,379.98
  5. Step 5: Solve for x
    x = 209,697,843,379.98/698,719.71
  6. Step 6: Final answer
    x = 300,117.26

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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.