Home / 867,638.70-1,301,652.45-335,112.30

Finding the Fourth Proportional to 867,638.70, 1,301,652.45 and 335,112.30

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Solution

The fourth proportional to 867,638.70, 1,301,652.45 and 335,112.30 is: 502,743.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    867,638.70 : 1,301,652.45 = 335,112.30 : x
  2. Step 2: Convert to fraction form
    867,638.70/1,301,652.45 = 335,112.30/x
  3. Step 3: Cross multiply
    867,638.70x = 1,301,652.45 × 335,112.30
  4. Step 4: Simplify right side
    867,638.70x = 436,199,746,320.14
  5. Step 5: Solve for x
    x = 436,199,746,320.14/867,638.70
  6. Step 6: Final answer
    x = 502,743.53

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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.