Home / 851,481-1,277,221.50-346,316.81

Finding the Fourth Proportional to 851,481, 1,277,221.50 and 346,316.81

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Solution

The fourth proportional to 851,481, 1,277,221.50 and 346,316.81 is: 519,475.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,481 : 1,277,221.50 = 346,316.81 : x
  2. Step 2: Convert to fraction form
    851,481/1,277,221.50 = 346,316.81/x
  3. Step 3: Cross multiply
    851,481x = 1,277,221.50 × 346,316.81
  4. Step 4: Simplify right side
    851,481x = 442,323,269,157.31
  5. Step 5: Solve for x
    x = 442,323,269,157.31/851,481
  6. Step 6: Final answer
    x = 519,475.21

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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.