Home / 985,663.46-1,478,269.20-275,763.26

Finding the Fourth Proportional to 985,663.46, 1,478,269.20 and 275,763.26

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Solution

The fourth proportional to 985,663.46, 1,478,269.20 and 275,763.26 is: 413,581.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    985,663.46 : 1,478,269.20 = 275,763.26 : x
  2. Step 2: Convert to fraction form
    985,663.46/1,478,269.20 = 275,763.26/x
  3. Step 3: Cross multiply
    985,663.46x = 1,478,269.20 × 275,763.26
  4. Step 4: Simplify right side
    985,663.46x = 407,652,333,749.59
  5. Step 5: Solve for x
    x = 407,652,333,749.59/985,663.46
  6. Step 6: Final answer
    x = 413,581.66

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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.