Home / 695,269.70-1,042,904.55-274,490.90

Finding the Fourth Proportional to 695,269.70, 1,042,904.55 and 274,490.90

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Solution

The fourth proportional to 695,269.70, 1,042,904.55 and 274,490.90 is: 411,736.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    695,269.70 : 1,042,904.55 = 274,490.90 : x
  2. Step 2: Convert to fraction form
    695,269.70/1,042,904.55 = 274,490.90/x
  3. Step 3: Cross multiply
    695,269.70x = 1,042,904.55 × 274,490.90
  4. Step 4: Simplify right side
    695,269.70x = 286,267,808,543.60
  5. Step 5: Solve for x
    x = 286,267,808,543.60/695,269.70
  6. Step 6: Final answer
    x = 411,736.35

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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.