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Finding the Fourth Proportional to 867,650.70, 1,301,670.45 and 335,124.30

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Solution

The fourth proportional to 867,650.70, 1,301,670.45 and 335,124.30 is: 502,761.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    867,650.70 : 1,301,670.45 = 335,124.30 : x
  2. Step 2: Convert to fraction form
    867,650.70/1,301,670.45 = 335,124.30/x
  3. Step 3: Cross multiply
    867,650.70x = 1,301,670.45 × 335,124.30
  4. Step 4: Simplify right side
    867,650.70x = 436,221,398,386.94
  5. Step 5: Solve for x
    x = 436,221,398,386.94/867,650.70
  6. Step 6: Final answer
    x = 502,761.54

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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.